Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 25 Apr 2020 02:17:30 +0000 (19:17 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 25 Apr 2020 02:17:30 +0000 (19:17 -0700)
Pull networking fixes from David Miller:

 1) Fix memory leak in netfilter flowtable, from Roi Dayan.

 2) Ref-count leaks in netrom and tipc, from Xiyu Yang.

 3) Fix warning when mptcp socket is never accepted before close, from
    Florian Westphal.

 4) Missed locking in ovs_ct_exit(), from Tonghao Zhang.

 5) Fix large delays during PTP synchornization in cxgb4, from Rahul
    Lakkireddy.

 6) team_mode_get() can hang, from Taehee Yoo.

 7) Need to use kvzalloc() when allocating fw tracer in mlx5 driver,
    from Niklas Schnelle.

 8) Fix handling of bpf XADD on BTF memory, from Jann Horn.

 9) Fix BPF_STX/BPF_B encoding in x86 bpf jit, from Luke Nelson.

10) Missing queue memory release in iwlwifi pcie code, from Johannes
    Berg.

11) Fix NULL deref in macvlan device event, from Taehee Yoo.

12) Initialize lan87xx phy correctly, from Yuiko Oshino.

13) Fix looping between VRF and XFRM lookups, from David Ahern.

14) etf packet scheduler assumes all sockets are full sockets, which is
    not necessarily true. From Eric Dumazet.

15) Fix mptcp data_fin handling in RX path, from Paolo Abeni.

16) fib_select_default() needs to handle nexthop objects, from David
    Ahern.

17) Use GFP_ATOMIC under spinlock in mac80211_hwsim, from Wei Yongjun.

18) vxlan and geneve use wrong nlattr array, from Sabrina Dubroca.

19) Correct rx/tx stats in bcmgenet driver, from Doug Berger.

20) BPF_LDX zero-extension is encoded improperly in x86_32 bpf jit, fix
    from Luke Nelson.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (100 commits)
  selftests/bpf: Fix a couple of broken test_btf cases
  tools/runqslower: Ensure own vmlinux.h is picked up first
  bpf: Make bpf_link_fops static
  bpftool: Respect the -d option in struct_ops cmd
  selftests/bpf: Add test for freplace program with expected_attach_type
  bpf: Propagate expected_attach_type when verifying freplace programs
  bpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd
  bpf, x86_32: Fix logic error in BPF_LDX zero-extension
  bpf, x86_32: Fix clobbering of dst for BPF_JSET
  bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
  bpf: Fix reStructuredText markup
  net: systemport: suppress warnings on failed Rx SKB allocations
  net: bcmgenet: suppress warnings on failed Rx SKB allocations
  macsec: avoid to set wrong mtu
  mac80211: sta_info: Add lockdep condition for RCU list usage
  mac80211: populate debugfs only after cfg80211 init
  net: bcmgenet: correct per TX/RX ring statistics
  net: meth: remove spurious copyright text
  net: phy: bcm84881: clear settings on link down
  chcr: Fix CPU hard lockup
  ...

114 files changed:
Documentation/networking/ip-sysctl.txt
MAINTAINERS
arch/x86/net/bpf_jit_comp.c
arch/x86/net/bpf_jit_comp32.c
drivers/crypto/chelsio/chcr_ktls.c
drivers/net/dsa/b53/b53_common.c
drivers/net/dsa/b53/b53_regs.h
drivers/net/ethernet/broadcom/bcmsysport.c
drivers/net/ethernet/broadcom/bgmac-platform.c
drivers/net/ethernet/broadcom/genet/bcmgenet.c
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
drivers/net/ethernet/intel/e1000/e1000_main.c
drivers/net/ethernet/intel/i40e/i40e_main.c
drivers/net/ethernet/mellanox/mlx4/en_tx.c
drivers/net/ethernet/mellanox/mlx5/core/Kconfig
drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
drivers/net/ethernet/mellanox/mlx5/core/en.h
drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
drivers/net/ethernet/mellanox/mlxsw/spectrum2_acl_tcam.c
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
drivers/net/ethernet/sgi/meth.h
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h [new file with mode: 0644]
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/xscale/ixp4xx_eth.c
drivers/net/geneve.c
drivers/net/macsec.c
drivers/net/macvlan.c
drivers/net/phy/bcm84881.c
drivers/net/phy/marvell10g.c
drivers/net/phy/microchip_t1.c
drivers/net/team/team.c
drivers/net/vrf.c
drivers/net/vxlan.c
drivers/net/wimax/i2400m/usb-fw.c
drivers/net/wireless/intel/iwlegacy/3945-rs.c
drivers/net/wireless/intel/iwlegacy/4965-rs.c
drivers/net/wireless/intel/iwlwifi/dvm/rs.c
drivers/net/wireless/intel/iwlwifi/fw/acpi.c
drivers/net/wireless/intel/iwlwifi/fw/api/txq.h
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
drivers/net/wireless/intel/iwlwifi/mvm/rs.c
drivers/net/wireless/intel/iwlwifi/mvm/rx.c
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
drivers/net/wireless/mac80211_hwsim.c
drivers/net/wireless/realtek/rtlwifi/rc.c
drivers/ptp/ptp_ines.c
include/linux/stmmac.h
include/net/mac80211.h
include/net/ndisc.h
include/net/tcp.h
include/uapi/linux/bpf.h
kernel/bpf/cpumap.c
kernel/bpf/syscall.c
kernel/bpf/verifier.c
net/core/netclassid_cgroup.c
net/dsa/slave.c
net/ipv4/fib_semantics.c
net/ipv4/xfrm4_output.c
net/ipv6/ipv6_sockglue.c
net/ipv6/rpl.c
net/ipv6/xfrm6_output.c
net/mac80211/main.c
net/mac80211/rate.c
net/mac80211/rate.h
net/mac80211/rc80211_minstrel_ht.c
net/mac80211/sta_info.c
net/mptcp/options.c
net/mptcp/pm_netlink.c
net/mptcp/protocol.c
net/mptcp/protocol.h
net/mptcp/subflow.c
net/netfilter/nf_flow_table_core.c
net/netfilter/nf_nat_proto.c
net/netlabel/Kconfig
net/netrom/nr_route.c
net/openvswitch/conntrack.c
net/openvswitch/datapath.c
net/sched/sch_etf.c
net/sctp/sm_make_chunk.c
net/sctp/sm_statefuns.c
net/tipc/crypto.c
net/tipc/node.c
net/x25/x25_dev.c
tools/bpf/bpftool/struct_ops.c
tools/bpf/runqslower/Makefile
tools/include/uapi/linux/bpf.h
tools/lib/bpf/netlink.c
tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
tools/testing/selftests/bpf/progs/connect4_prog.c
tools/testing/selftests/bpf/progs/freplace_connect4.c [new file with mode: 0644]
tools/testing/selftests/bpf/progs/test_btf_haskv.c
tools/testing/selftests/bpf/progs/test_btf_newkv.c
tools/testing/selftests/bpf/progs/test_btf_nokv.c
tools/testing/selftests/bpf/test_btf.c
tools/testing/selftests/bpf/verifier/stack_ptr.c
tools/testing/selftests/bpf/verifier/value_illegal_alu.c
tools/testing/selftests/net/fib_nexthops.sh
tools/testing/selftests/net/fib_tests.sh

index 6fcfd31..9375324 100644 (file)
@@ -983,6 +983,13 @@ ip_early_demux - BOOLEAN
        reduces overall throughput, in such case you should disable it.
        Default: 1
 
+ping_group_range - 2 INTEGERS
+       Restrict ICMP_PROTO datagram sockets to users in the group range.
+       The default is "1 0", meaning, that nobody (not even root) may
+       create ping sockets.  Setting it to "100 100" would grant permissions
+       to the single group. "0 4294967295" would enable it for the world, "100
+       4294967295" would enable it for the users, but not daemons.
+
 tcp_early_demux - BOOLEAN
        Enable early demux for established TCP sockets.
        Default: 1
index 9c3a0e5..453fe07 100644 (file)
@@ -189,7 +189,7 @@ F:  drivers/net/hamradio/6pack.c
 M:     Johannes Berg <johannes@sipsolutions.net>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 F:     Documentation/driver-api/80211/cfg80211.rst
@@ -505,7 +505,7 @@ F:  drivers/hwmon/adm1029.c
 ADM8211 WIRELESS DRIVER
 L:     linux-wireless@vger.kernel.org
 S:     Orphan
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 F:     drivers/net/wireless/admtek/adm8211.*
 
 ADP1653 FLASH CONTROLLER DRIVER
@@ -2850,14 +2850,14 @@ M:      Nick Kossifidis <mickflemm@gmail.com>
 M:     Luis Chamberlain <mcgrof@kernel.org>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/en/users/Drivers/ath5k
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/ath5k
 F:     drivers/net/wireless/ath/ath5k/
 
 ATHEROS ATH6KL WIRELESS DRIVER
 M:     Kalle Valo <kvalo@codeaurora.org>
 L:     linux-wireless@vger.kernel.org
 S:     Supported
-W:     http://wireless.kernel.org/en/users/Drivers/ath6kl
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/ath6kl
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:     drivers/net/wireless/ath/ath6kl/
 
@@ -3020,7 +3020,7 @@ B43 WIRELESS DRIVER
 L:     linux-wireless@vger.kernel.org
 L:     b43-dev@lists.infradead.org
 S:     Odd Fixes
-W:     http://wireless.kernel.org/en/users/Drivers/b43
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/b43
 F:     drivers/net/wireless/broadcom/b43/
 
 B43LEGACY WIRELESS DRIVER
@@ -3028,7 +3028,7 @@ M:        Larry Finger <Larry.Finger@lwfinger.net>
 L:     linux-wireless@vger.kernel.org
 L:     b43-dev@lists.infradead.org
 S:     Maintained
-W:     http://wireless.kernel.org/en/users/Drivers/b43
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/b43
 F:     drivers/net/wireless/broadcom/b43legacy/
 
 BACKLIGHT CLASS/SUBSYSTEM
@@ -3843,7 +3843,7 @@ CARL9170 LINUX COMMUNITY WIRELESS DRIVER
 M:     Christian Lamparter <chunkeey@googlemail.com>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/en/users/Drivers/carl9170
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/carl9170
 F:     drivers/net/wireless/ath/carl9170/
 
 CAVIUM I2C DRIVER
@@ -5176,6 +5176,7 @@ S:        Maintained
 F:     drivers/soc/fsl/dpio
 
 DPAA2 ETHERNET DRIVER
+M:     Ioana Ciornei <ioana.ciornei@nxp.com>
 M:     Ioana Radulescu <ruxandra.radulescu@nxp.com>
 L:     netdev@vger.kernel.org
 S:     Maintained
@@ -10075,7 +10076,7 @@ MAC80211
 M:     Johannes Berg <johannes@sipsolutions.net>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 F:     Documentation/networking/mac80211-injection.txt
@@ -10705,7 +10706,6 @@ MEDIATEK MT76 WIRELESS LAN DRIVER
 M:     Felix Fietkau <nbd@nbd.name>
 M:     Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
 R:     Ryder Lee <ryder.lee@mediatek.com>
-R:     Roy Luo <royluo@google.com>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
 F:     drivers/net/wireless/mediatek/mt76/
@@ -12656,7 +12656,7 @@ F:      fs/orangefs/
 ORINOCO DRIVER
 L:     linux-wireless@vger.kernel.org
 S:     Orphan
-W:     http://wireless.kernel.org/en/users/Drivers/orinoco
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/orinoco
 W:     http://www.nongnu.org/orinoco/
 F:     drivers/net/wireless/intersil/orinoco/
 
@@ -12682,7 +12682,7 @@ P54 WIRELESS DRIVER
 M:     Christian Lamparter <chunkeey@googlemail.com>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/en/users/Drivers/p54
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/p54
 F:     drivers/net/wireless/intersil/p54/
 
 PACKING
@@ -13603,7 +13603,7 @@ PRISM54 WIRELESS DRIVER
 M:     Luis Chamberlain <mcgrof@kernel.org>
 L:     linux-wireless@vger.kernel.org
 S:     Obsolete
-W:     http://wireless.kernel.org/en/users/Drivers/p54
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/p54
 F:     drivers/net/wireless/intersil/prism54/
 
 PROC FILESYSTEM
@@ -13944,7 +13944,7 @@ QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
 M:     Kalle Valo <kvalo@codeaurora.org>
 L:     ath10k@lists.infradead.org
 S:     Supported
-W:     http://wireless.kernel.org/en/users/Drivers/ath10k
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/ath10k
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:     drivers/net/wireless/ath/ath10k/
 
@@ -13959,7 +13959,7 @@ QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
 M:     QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
 L:     linux-wireless@vger.kernel.org
 S:     Supported
-W:     http://wireless.kernel.org/en/users/Drivers/ath9k
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/ath9k
 F:     drivers/net/wireless/ath/ath9k/
 
 QUALCOMM CAMERA SUBSYSTEM DRIVER
@@ -14056,13 +14056,12 @@ QUALCOMM WCN36XX WIRELESS DRIVER
 M:     Kalle Valo <kvalo@codeaurora.org>
 L:     wcn36xx@lists.infradead.org
 S:     Supported
-W:     http://wireless.kernel.org/en/users/Drivers/wcn36xx
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/wcn36xx
 T:     git git://github.com/KrasnikovEugene/wcn36xx.git
 F:     drivers/net/wireless/ath/wcn36xx/
 
 QUANTENNA QTNFMAC WIRELESS DRIVER
 M:     Igor Mitsyanko <imitsyanko@quantenna.com>
-M:     Avinash Patil <avinashp@quantenna.com>
 M:     Sergey Matyukevich <smatyukevich@quantenna.com>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
@@ -14284,7 +14283,7 @@ REALTEK WIRELESS DRIVER (rtlwifi family)
 M:     Ping-Ke Shih <pkshih@realtek.com>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 F:     drivers/net/wireless/realtek/rtlwifi/
 
@@ -14419,7 +14418,7 @@ RFKILL
 M:     Johannes Berg <johannes@sipsolutions.net>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 F:     Documentation/ABI/stable/sysfs-class-rfkill
@@ -14568,7 +14567,7 @@ F:      drivers/media/dvb-frontends/rtl2832_sdr*
 RTL8180 WIRELESS DRIVER
 L:     linux-wireless@vger.kernel.org
 S:     Orphan
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 F:     drivers/net/wireless/realtek/rtl818x/rtl8180/
 
@@ -14578,7 +14577,7 @@ M:      Hin-Tak Leung <htl10@users.sourceforge.net>
 M:     Larry Finger <Larry.Finger@lwfinger.net>
 L:     linux-wireless@vger.kernel.org
 S:     Maintained
-W:     http://wireless.kernel.org/
+W:     https://wireless.wiki.kernel.org/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 F:     drivers/net/wireless/realtek/rtl818x/rtl8187/
 
@@ -16933,8 +16932,8 @@ F:      drivers/media/platform/ti-vpe/
 TI WILINK WIRELESS DRIVERS
 L:     linux-wireless@vger.kernel.org
 S:     Orphan
-W:     http://wireless.kernel.org/en/users/Drivers/wl12xx
-W:     http://wireless.kernel.org/en/users/Drivers/wl1251
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/wl12xx
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/wl1251
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git
 F:     drivers/net/wireless/ti/
 F:     include/linux/wl12xx.h
@@ -18216,7 +18215,7 @@ M:      Maya Erez <merez@codeaurora.org>
 L:     linux-wireless@vger.kernel.org
 L:     wil6210@qti.qualcomm.com
 S:     Supported
-W:     http://wireless.kernel.org/en/users/Drivers/wil6210
+W:     https://wireless.wiki.kernel.org/en/users/Drivers/wil6210
 F:     drivers/net/wireless/ath/wil6210/
 
 WIMAX STACK
index 5ea7c2c..42b6709 100644 (file)
@@ -158,6 +158,19 @@ static bool is_ereg(u32 reg)
                             BIT(BPF_REG_AX));
 }
 
+/*
+ * is_ereg_8l() == true if BPF register 'reg' is mapped to access x86-64
+ * lower 8-bit registers dil,sil,bpl,spl,r8b..r15b, which need extra byte
+ * of encoding. al,cl,dl,bl have simpler encoding.
+ */
+static bool is_ereg_8l(u32 reg)
+{
+       return is_ereg(reg) ||
+           (1 << reg) & (BIT(BPF_REG_1) |
+                         BIT(BPF_REG_2) |
+                         BIT(BPF_REG_FP));
+}
+
 static bool is_axreg(u32 reg)
 {
        return reg == BPF_REG_0;
@@ -598,9 +611,8 @@ static void emit_stx(u8 **pprog, u32 size, u32 dst_reg, u32 src_reg, int off)
        switch (size) {
        case BPF_B:
                /* Emit 'mov byte ptr [rax + off], al' */
-               if (is_ereg(dst_reg) || is_ereg(src_reg) ||
-                   /* We have to add extra byte for x86 SIL, DIL regs */
-                   src_reg == BPF_REG_1 || src_reg == BPF_REG_2)
+               if (is_ereg(dst_reg) || is_ereg_8l(src_reg))
+                       /* Add extra byte for eregs or SIL,DIL,BPL in src_reg */
                        EMIT2(add_2mod(0x40, dst_reg, src_reg), 0x88);
                else
                        EMIT1(0x88);
index 4d2a7a7..66cd150 100644 (file)
@@ -1847,14 +1847,16 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
                        case BPF_B:
                        case BPF_H:
                        case BPF_W:
-                               if (!bpf_prog->aux->verifier_zext)
+                               if (bpf_prog->aux->verifier_zext)
                                        break;
                                if (dstk) {
                                        EMIT3(0xC7, add_1reg(0x40, IA32_EBP),
                                              STACK_VAR(dst_hi));
                                        EMIT(0x0, 4);
                                } else {
-                                       EMIT3(0xC7, add_1reg(0xC0, dst_hi), 0);
+                                       /* xor dst_hi,dst_hi */
+                                       EMIT2(0x33,
+                                             add_2reg(0xC0, dst_hi, dst_hi));
                                }
                                break;
                        case BPF_DW:
@@ -2013,8 +2015,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
                case BPF_JMP | BPF_JSET | BPF_X:
                case BPF_JMP32 | BPF_JSET | BPF_X: {
                        bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
-                       u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
-                       u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+                       u8 dreg_lo = IA32_EAX;
+                       u8 dreg_hi = IA32_EDX;
                        u8 sreg_lo = sstk ? IA32_ECX : src_lo;
                        u8 sreg_hi = sstk ? IA32_EBX : src_hi;
 
@@ -2026,6 +2028,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
                                              add_2reg(0x40, IA32_EBP,
                                                       IA32_EDX),
                                              STACK_VAR(dst_hi));
+                       } else {
+                               /* mov dreg_lo,dst_lo */
+                               EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
+                               if (is_jmp64)
+                                       /* mov dreg_hi,dst_hi */
+                                       EMIT2(0x89,
+                                             add_2reg(0xC0, dreg_hi, dst_hi));
                        }
 
                        if (sstk) {
@@ -2050,8 +2059,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
                case BPF_JMP | BPF_JSET | BPF_K:
                case BPF_JMP32 | BPF_JSET | BPF_K: {
                        bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
-                       u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
-                       u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+                       u8 dreg_lo = IA32_EAX;
+                       u8 dreg_hi = IA32_EDX;
                        u8 sreg_lo = IA32_ECX;
                        u8 sreg_hi = IA32_EBX;
                        u32 hi;
@@ -2064,6 +2073,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
                                              add_2reg(0x40, IA32_EBP,
                                                       IA32_EDX),
                                              STACK_VAR(dst_hi));
+                       } else {
+                               /* mov dreg_lo,dst_lo */
+                               EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
+                               if (is_jmp64)
+                                       /* mov dreg_hi,dst_hi */
+                                       EMIT2(0x89,
+                                             add_2reg(0xC0, dreg_hi, dst_hi));
                        }
 
                        /* mov ecx,imm32 */
index cd1769e..e92b352 100644 (file)
@@ -120,12 +120,10 @@ out:
 static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
                                             int new_state)
 {
-       unsigned long flags;
-
        /* This function can be called from both rx (interrupt context) and tx
         * queue contexts.
         */
-       spin_lock_irqsave(&tx_info->lock, flags);
+       spin_lock_bh(&tx_info->lock);
        switch (tx_info->connection_state) {
        case KTLS_CONN_CLOSED:
                tx_info->connection_state = new_state;
@@ -169,7 +167,7 @@ static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
                pr_err("unknown KTLS connection state\n");
                break;
        }
-       spin_unlock_irqrestore(&tx_info->lock, flags);
+       spin_unlock_bh(&tx_info->lock);
 
        return tx_info->connection_state;
 }
index 68e2381..c283593 100644 (file)
@@ -1474,6 +1474,10 @@ static int b53_arl_rw_op(struct b53_device *dev, unsigned int op)
                reg |= ARLTBL_RW;
        else
                reg &= ~ARLTBL_RW;
+       if (dev->vlan_enabled)
+               reg &= ~ARLTBL_IVL_SVL_SELECT;
+       else
+               reg |= ARLTBL_IVL_SVL_SELECT;
        b53_write8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, reg);
 
        return b53_arl_op_wait(dev);
@@ -1483,6 +1487,7 @@ static int b53_arl_read(struct b53_device *dev, u64 mac,
                        u16 vid, struct b53_arl_entry *ent, u8 *idx,
                        bool is_valid)
 {
+       DECLARE_BITMAP(free_bins, B53_ARLTBL_MAX_BIN_ENTRIES);
        unsigned int i;
        int ret;
 
@@ -1490,6 +1495,8 @@ static int b53_arl_read(struct b53_device *dev, u64 mac,
        if (ret)
                return ret;
 
+       bitmap_zero(free_bins, dev->num_arl_entries);
+
        /* Read the bins */
        for (i = 0; i < dev->num_arl_entries; i++) {
                u64 mac_vid;
@@ -1501,13 +1508,24 @@ static int b53_arl_read(struct b53_device *dev, u64 mac,
                           B53_ARLTBL_DATA_ENTRY(i), &fwd_entry);
                b53_arl_to_entry(ent, mac_vid, fwd_entry);
 
-               if (!(fwd_entry & ARLTBL_VALID))
+               if (!(fwd_entry & ARLTBL_VALID)) {
+                       set_bit(i, free_bins);
                        continue;
+               }
                if ((mac_vid & ARLTBL_MAC_MASK) != mac)
                        continue;
+               if (dev->vlan_enabled &&
+                   ((mac_vid >> ARLTBL_VID_S) & ARLTBL_VID_MASK) != vid)
+                       continue;
                *idx = i;
+               return 0;
        }
 
+       if (bitmap_weight(free_bins, dev->num_arl_entries) == 0)
+               return -ENOSPC;
+
+       *idx = find_first_bit(free_bins, dev->num_arl_entries);
+
        return -ENOENT;
 }
 
@@ -1537,10 +1555,21 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
        if (op)
                return ret;
 
-       /* We could not find a matching MAC, so reset to a new entry */
-       if (ret) {
+       switch (ret) {
+       case -ENOSPC:
+               dev_dbg(dev->dev, "{%pM,%.4d} no space left in ARL\n",
+                       addr, vid);
+               return is_valid ? ret : 0;
+       case -ENOENT:
+               /* We could not find a matching MAC, so reset to a new entry */
+               dev_dbg(dev->dev, "{%pM,%.4d} not found, using idx: %d\n",
+                       addr, vid, idx);
                fwd_entry = 0;
-               idx = 1;
+               break;
+       default:
+               dev_dbg(dev->dev, "{%pM,%.4d} found, using idx: %d\n",
+                       addr, vid, idx);
+               break;
        }
 
        /* For multicast address, the port is a bitmask and the validity
@@ -1558,7 +1587,6 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
                ent.is_valid = !!(ent.port);
        }
 
-       ent.is_valid = is_valid;
        ent.vid = vid;
        ent.is_static = true;
        ent.is_age = false;
index 2a9f421..c90985c 100644 (file)
 /* ARL Table Read/Write Register (8 bit) */
 #define B53_ARLTBL_RW_CTRL             0x00
 #define    ARLTBL_RW                   BIT(0)
+#define    ARLTBL_IVL_SVL_SELECT       BIT(6)
 #define    ARLTBL_START_DONE           BIT(7)
 
 /* MAC Address Index Register (48 bit) */
  *
  * BCM5325 and BCM5365 share most definitions below
  */
-#define B53_ARLTBL_MAC_VID_ENTRY(n)    (0x10 * (n))
+#define B53_ARLTBL_MAC_VID_ENTRY(n)    ((0x10 * (n)) + 0x10)
 #define   ARLTBL_MAC_MASK              0xffffffffffffULL
 #define   ARLTBL_VID_S                 48
 #define   ARLTBL_VID_MASK_25           0xff
 #define   ARLTBL_VALID_25              BIT(63)
 
 /* ARL Table Data Entry N Registers (32 bit) */
-#define B53_ARLTBL_DATA_ENTRY(n)       ((0x10 * (n)) + 0x08)
+#define B53_ARLTBL_DATA_ENTRY(n)       ((0x10 * (n)) + 0x18)
 #define   ARLTBL_DATA_PORT_ID_MASK     0x1ff
 #define   ARLTBL_TC(tc)                        ((3 & tc) << 11)
 #define   ARLTBL_AGE                   BIT(14)
 #define   ARLTBL_STATIC                        BIT(15)
 #define   ARLTBL_VALID                 BIT(16)
 
+/* Maximum number of bin entries in the ARL for all switches */
+#define B53_ARLTBL_MAX_BIN_ENTRIES     4
+
 /* ARL Search Control Register (8 bit) */
 #define B53_ARL_SRCH_CTL               0x50
 #define B53_ARL_SRCH_CTL_25            0x20
index af7ce5c..b25356e 100644 (file)
@@ -664,7 +664,8 @@ static struct sk_buff *bcm_sysport_rx_refill(struct bcm_sysport_priv *priv,
        dma_addr_t mapping;
 
        /* Allocate a new SKB for a new packet */
-       skb = netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH);
+       skb = __netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH,
+                                GFP_ATOMIC | __GFP_NOWARN);
        if (!skb) {
                priv->mib.alloc_rx_buff_failed++;
                netif_err(priv, rx_err, ndev, "SKB alloc failed\n");
@@ -2475,7 +2476,6 @@ static int bcm_sysport_probe(struct platform_device *pdev)
                priv->wol_irq = platform_get_irq(pdev, 1);
        }
        if (priv->irq0 <= 0 || (priv->irq1 <= 0 && !priv->is_lite)) {
-               dev_err(&pdev->dev, "invalid interrupts\n");
                ret = -EINVAL;
                goto err_free_netdev;
        }
index c46c1b1..a5d1a6c 100644 (file)
@@ -172,7 +172,6 @@ static int bgmac_probe(struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
        struct bgmac *bgmac;
-       struct resource *regs;
        const u8 *mac_addr;
 
        bgmac = bgmac_alloc(&pdev->dev);
@@ -202,31 +201,21 @@ static int bgmac_probe(struct platform_device *pdev)
        if (bgmac->irq < 0)
                return bgmac->irq;
 
-       regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "amac_base");
-       if (!regs) {
-               dev_err(&pdev->dev, "Unable to obtain base resource\n");
-               return -EINVAL;
-       }
-
-       bgmac->plat.base = devm_ioremap_resource(&pdev->dev, regs);
+       bgmac->plat.base =
+               devm_platform_ioremap_resource_byname(pdev, "amac_base");
        if (IS_ERR(bgmac->plat.base))
                return PTR_ERR(bgmac->plat.base);
 
-       regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base");
-       if (regs) {
-               bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
-               if (IS_ERR(bgmac->plat.idm_base))
-                       return PTR_ERR(bgmac->plat.idm_base);
-               bgmac->feature_flags &= ~BGMAC_FEAT_IDM_MASK;
-       }
+       bgmac->plat.idm_base =
+               devm_platform_ioremap_resource_byname(pdev, "idm_base");
+       if (IS_ERR(bgmac->plat.idm_base))
+               return PTR_ERR(bgmac->plat.idm_base);
+       bgmac->feature_flags &= ~BGMAC_FEAT_IDM_MASK;
 
-       regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base");
-       if (regs) {
-               bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev,
-                                                              regs);
-               if (IS_ERR(bgmac->plat.nicpm_base))
-                       return PTR_ERR(bgmac->plat.nicpm_base);
-       }
+       bgmac->plat.nicpm_base =
+               devm_platform_ioremap_resource_byname(pdev, "nicpm_base");
+       if (IS_ERR(bgmac->plat.nicpm_base))
+               return PTR_ERR(bgmac->plat.nicpm_base);
 
        bgmac->read = platform_bgmac_read;
        bgmac->write = platform_bgmac_write;
index d975338..79636c7 100644 (file)
@@ -934,6 +934,8 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev,
        if (netif_running(dev))
                bcmgenet_update_mib_counters(priv);
 
+       dev->netdev_ops->ndo_get_stats(dev);
+
        for (i = 0; i < BCMGENET_STATS_LEN; i++) {
                const struct bcmgenet_stats *s;
                char *p;
@@ -1622,7 +1624,8 @@ static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv,
        dma_addr_t mapping;
 
        /* Allocate a new Rx skb */
-       skb = netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT);
+       skb = __netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT,
+                                GFP_ATOMIC | __GFP_NOWARN);
        if (!skb) {
                priv->mib.alloc_rx_buff_failed++;
                netif_err(priv, rx_err, priv->dev,
@@ -3156,6 +3159,7 @@ static struct net_device_stats *bcmgenet_get_stats(struct net_device *dev)
        dev->stats.rx_packets = rx_packets;
        dev->stats.rx_errors = rx_errors;
        dev->stats.rx_missed_errors = rx_errors;
+       dev->stats.rx_dropped = rx_dropped;
        return &dev->stats;
 }
 
index 19c1156..7b9cd69 100644 (file)
@@ -1049,9 +1049,9 @@ static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init,
        }
 }
 
-static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init,
-                                          struct cudbg_error *cudbg_err,
-                                          u8 mem_type)
+static int cudbg_mem_region_size(struct cudbg_init *pdbg_init,
+                                struct cudbg_error *cudbg_err,
+                                u8 mem_type, unsigned long *region_size)
 {
        struct adapter *padap = pdbg_init->adap;
        struct cudbg_meminfo mem_info;
@@ -1060,15 +1060,23 @@ static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init,
 
        memset(&mem_info, 0, sizeof(struct cudbg_meminfo));
        rc = cudbg_fill_meminfo(padap, &mem_info);
-       if (rc)
+       if (rc) {
+               cudbg_err->sys_err = rc;
                return rc;
+       }
 
        cudbg_t4_fwcache(pdbg_init, cudbg_err);
        rc = cudbg_meminfo_get_mem_index(padap, &mem_info, mem_type, &mc_idx);
-       if (rc)
+       if (rc) {
+               cudbg_err->sys_err = rc;
                return rc;
+       }
+
+       if (region_size)
+               *region_size = mem_info.avail[mc_idx].limit -
+                              mem_info.avail[mc_idx].base;
 
-       return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base;
+       return 0;
 }
 
 static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
@@ -1076,7 +1084,12 @@ static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
                                    struct cudbg_error *cudbg_err,
                                    u8 mem_type)
 {
-       unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type);
+       unsigned long size = 0;
+       int rc;
+
+       rc = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type, &size);
+       if (rc)
+               return rc;
 
        return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size,
                                 cudbg_err);
index af1f40c..f5bc996 100644 (file)
@@ -311,32 +311,17 @@ static int cxgb4_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
  */
 static int cxgb4_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
 {
-       struct adapter *adapter = (struct adapter *)container_of(ptp,
-                                  struct adapter, ptp_clock_info);
-       struct fw_ptp_cmd c;
+       struct adapter *adapter = container_of(ptp, struct adapter,
+                                              ptp_clock_info);
        u64 ns;
-       int err;
-
-       memset(&c, 0, sizeof(c));
-       c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PTP_CMD) |
-                                    FW_CMD_REQUEST_F |
-                                    FW_CMD_READ_F |
-                                    FW_PTP_CMD_PORTID_V(0));
-       c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16));
-       c.u.ts.sc = FW_PTP_SC_GET_TIME;
 
-       err = t4_wr_mbox(adapter, adapter->mbox, &c, sizeof(c), &c);
-       if (err < 0) {
-               dev_err(adapter->pdev_dev,
-                       "PTP: %s error %d\n", __func__, -err);
-               return err;
-       }
+       ns = t4_read_reg(adapter, T5_PORT_REG(0, MAC_PORT_PTP_SUM_LO_A));
+       ns |= (u64)t4_read_reg(adapter,
+                              T5_PORT_REG(0, MAC_PORT_PTP_SUM_HI_A)) << 32;
 
        /* convert to timespec*/
-       ns = be64_to_cpu(c.u.ts.tm);
        *ts = ns_to_timespec64(ns);
-
-       return err;
+       return 0;
 }
 
 /**
index bb20e50..4a9fcd6 100644 (file)
 
 #define MAC_PORT_CFG2_A 0x818
 
+#define MAC_PORT_PTP_SUM_LO_A 0x990
+#define MAC_PORT_PTP_SUM_HI_A 0x994
+
 #define MPS_CMN_CTL_A  0x9000
 
 #define COUNTPAUSEMCRX_S    5
index f710335..0d51cbc 100644 (file)
@@ -1476,7 +1476,7 @@ static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
        if (hw->mac_type == e1000_82545 ||
            hw->mac_type == e1000_ce4100 ||
            hw->mac_type == e1000_82546) {
-               return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
+               return ((begin ^ (end - 1)) >> 16) == 0;
        }
 
        return true;
index 8c3e753..2a037ec 100644 (file)
@@ -1611,7 +1611,7 @@ static int i40e_config_rss_aq(struct i40e_vsi *vsi, const u8 *seed,
                }
        }
        if (lut) {
-               bool pf_lut = vsi->type == I40E_VSI_MAIN ? true : false;
+               bool pf_lut = vsi->type == I40E_VSI_MAIN;
 
                ret = i40e_aq_set_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
                if (ret) {
@@ -11436,7 +11436,7 @@ static int i40e_get_rss_aq(struct i40e_vsi *vsi, const u8 *seed,
        }
 
        if (lut) {
-               bool pf_lut = vsi->type == I40E_VSI_MAIN ? true : false;
+               bool pf_lut = vsi->type == I40E_VSI_MAIN;
 
                ret = i40e_aq_get_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
                if (ret) {
index 4d5ca30..a30edb4 100644 (file)
@@ -43,6 +43,7 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/moduleparam.h>
+#include <linux/indirect_call_wrapper.h>
 
 #include "mlx4_en.h"
 
@@ -261,6 +262,10 @@ static void mlx4_en_stamp_wqe(struct mlx4_en_priv *priv,
        }
 }
 
+INDIRECT_CALLABLE_DECLARE(u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
+                                                  struct mlx4_en_tx_ring *ring,
+                                                  int index, u64 timestamp,
+                                                  int napi_mode));
 
 u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
                         struct mlx4_en_tx_ring *ring,
@@ -329,6 +334,11 @@ u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
        return tx_info->nr_txbb;
 }
 
+INDIRECT_CALLABLE_DECLARE(u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
+                                                     struct mlx4_en_tx_ring *ring,
+                                                     int index, u64 timestamp,
+                                                     int napi_mode));
+
 u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
                            struct mlx4_en_tx_ring *ring,
                            int index, u64 timestamp,
@@ -449,7 +459,9 @@ bool mlx4_en_process_tx_cq(struct net_device *dev,
                                timestamp = mlx4_en_get_cqe_ts(cqe);
 
                        /* free next descriptor */
-                       last_nr_txbb = ring->free_tx_desc(
+                       last_nr_txbb = INDIRECT_CALL_2(ring->free_tx_desc,
+                                                      mlx4_en_free_tx_desc,
+                                                      mlx4_en_recycle_tx_desc,
                                        priv, ring, ring_index,
                                        timestamp, napi_budget);
 
index 312e0a1..7d69a30 100644 (file)
@@ -7,10 +7,10 @@ config MLX5_CORE
        tristate "Mellanox 5th generation network adapters (ConnectX series) core driver"
        depends on PCI
        select NET_DEVLINK
-       imply PTP_1588_CLOCK
-       imply VXLAN
-       imply MLXFW
-       imply PCI_HYPERV_INTERFACE
+       depends on VXLAN || !VXLAN
+       depends on MLXFW || !MLXFW
+       depends on PTP_1588_CLOCK || !PTP_1588_CLOCK
+       depends on PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE
        default n
        ---help---
          Core driver for low level functionality of the ConnectX-4 and
index c9c9b47..5ce6ebb 100644 (file)
@@ -935,7 +935,7 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev)
                return NULL;
        }
 
-       tracer = kzalloc(sizeof(*tracer), GFP_KERNEL);
+       tracer = kvzalloc(sizeof(*tracer), GFP_KERNEL);
        if (!tracer)
                return ERR_PTR(-ENOMEM);
 
@@ -982,7 +982,7 @@ destroy_workqueue:
        tracer->dev = NULL;
        destroy_workqueue(tracer->work_queue);
 free_tracer:
-       kfree(tracer);
+       kvfree(tracer);
        return ERR_PTR(err);
 }
 
@@ -1061,7 +1061,7 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer)
        mlx5_fw_tracer_destroy_log_buf(tracer);
        flush_workqueue(tracer->work_queue);
        destroy_workqueue(tracer->work_queue);
-       kfree(tracer);
+       kvfree(tracer);
 }
 
 static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void *data)
index 12a61bf..23701c0 100644 (file)
@@ -367,6 +367,7 @@ enum {
        MLX5E_SQ_STATE_AM,
        MLX5E_SQ_STATE_TLS,
        MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE,
+       MLX5E_SQ_STATE_PENDING_XSK_TX,
 };
 
 struct mlx5e_sq_wqe_info {
@@ -960,7 +961,7 @@ void mlx5e_page_release_dynamic(struct mlx5e_rq *rq,
 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
-void mlx5e_poll_ico_cq(struct mlx5e_cq *cq);
+int mlx5e_poll_ico_cq(struct mlx5e_cq *cq);
 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
index 16416ea..a172c5e 100644 (file)
@@ -12,6 +12,7 @@
 #include <net/flow_offload.h>
 #include <net/netfilter/nf_flow_table.h>
 #include <linux/workqueue.h>
+#include <linux/xarray.h>
 
 #include "esw/chains.h"
 #include "en/tc_ct.h"
@@ -35,7 +36,7 @@ struct mlx5_tc_ct_priv {
        struct mlx5_eswitch *esw;
        const struct net_device *netdev;
        struct idr fte_ids;
-       struct idr tuple_ids;
+       struct xarray tuple_ids;
        struct rhashtable zone_ht;
        struct mlx5_flow_table *ct;
        struct mlx5_flow_table *ct_nat;
@@ -238,7 +239,7 @@ mlx5_tc_ct_entry_del_rule(struct mlx5_tc_ct_priv *ct_priv,
 
        mlx5_eswitch_del_offloaded_rule(esw, zone_rule->rule, attr);
        mlx5_modify_header_dealloc(esw->dev, attr->modify_hdr);
-       idr_remove(&ct_priv->tuple_ids, zone_rule->tupleid);
+       xa_erase(&ct_priv->tuple_ids, zone_rule->tupleid);
 }
 
 static void
@@ -483,7 +484,7 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
        struct mlx5_esw_flow_attr *attr = &zone_rule->attr;
        struct mlx5_eswitch *esw = ct_priv->esw;
        struct mlx5_flow_spec *spec = NULL;
-       u32 tupleid = 1;
+       u32 tupleid;
        int err;
 
        zone_rule->nat = nat;
@@ -493,12 +494,12 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
                return -ENOMEM;
 
        /* Get tuple unique id */
-       err = idr_alloc_u32(&ct_priv->tuple_ids, zone_rule, &tupleid,
-                           TUPLE_ID_MAX, GFP_KERNEL);
+       err = xa_alloc(&ct_priv->tuple_ids, &tupleid, zone_rule,
+                      XA_LIMIT(1, TUPLE_ID_MAX), GFP_KERNEL);
        if (err) {
                netdev_warn(ct_priv->netdev,
                            "Failed to allocate tuple id, err: %d\n", err);
-               goto err_idr_alloc;
+               goto err_xa_alloc;
        }
        zone_rule->tupleid = tupleid;
 
@@ -539,8 +540,8 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
 err_rule:
        mlx5_modify_header_dealloc(esw->dev, attr->modify_hdr);
 err_mod_hdr:
-       idr_remove(&ct_priv->tuple_ids, zone_rule->tupleid);
-err_idr_alloc:
+       xa_erase(&ct_priv->tuple_ids, zone_rule->tupleid);
+err_xa_alloc:
        kfree(spec);
        return err;
 }
@@ -1299,7 +1300,7 @@ mlx5_tc_ct_init(struct mlx5_rep_uplink_priv *uplink_priv)
        }
 
        idr_init(&ct_priv->fte_ids);
-       idr_init(&ct_priv->tuple_ids);
+       xa_init_flags(&ct_priv->tuple_ids, XA_FLAGS_ALLOC1);
        mutex_init(&ct_priv->control_lock);
        rhashtable_init(&ct_priv->zone_ht, &zone_params);
 
@@ -1334,7 +1335,7 @@ mlx5_tc_ct_clean(struct mlx5_rep_uplink_priv *uplink_priv)
 
        rhashtable_destroy(&ct_priv->zone_ht);
        mutex_destroy(&ct_priv->control_lock);
-       idr_destroy(&ct_priv->tuple_ids);
+       xa_destroy(&ct_priv->tuple_ids);
        idr_destroy(&ct_priv->fte_ids);
        kfree(ct_priv);
 
@@ -1352,7 +1353,7 @@ mlx5e_tc_ct_restore_flow(struct mlx5_rep_uplink_priv *uplink_priv,
        if (!ct_priv || !tupleid)
                return true;
 
-       zone_rule = idr_find(&ct_priv->tuple_ids, tupleid);
+       zone_rule = xa_load(&ct_priv->tuple_ids, tupleid);
        if (!zone_rule)
                return false;
 
index fe2d596..3bcdb5b 100644 (file)
@@ -33,6 +33,9 @@ int mlx5e_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
                if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &c->xskicosq.state)))
                        return 0;
 
+               if (test_and_set_bit(MLX5E_SQ_STATE_PENDING_XSK_TX, &c->xskicosq.state))
+                       return 0;
+
                spin_lock(&c->xskicosq_lock);
                mlx5e_trigger_irq(&c->xskicosq);
                spin_unlock(&c->xskicosq_lock);
index f02150a..b314adf 100644 (file)
@@ -3583,7 +3583,12 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
        struct mlx5e_vport_stats *vstats = &priv->stats.vport;
        struct mlx5e_pport_stats *pstats = &priv->stats.pport;
 
-       if (!mlx5e_monitor_counter_supported(priv)) {
+       /* In switchdev mode, monitor counters doesn't monitor
+        * rx/tx stats of 802_3. The update stats mechanism
+        * should keep the 802_3 layout counters updated
+        */
+       if (!mlx5e_monitor_counter_supported(priv) ||
+           mlx5e_is_uplink_rep(priv)) {
                /* update HW stats in background for next time */
                mlx5e_queue_update_stats(priv);
        }
index 6173faf..e2beb89 100644 (file)
@@ -589,7 +589,7 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
        return !!err;
 }
 
-void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
+int mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
 {
        struct mlx5e_icosq *sq = container_of(cq, struct mlx5e_icosq, cq);
        struct mlx5_cqe64 *cqe;
@@ -597,11 +597,11 @@ void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
        int i;
 
        if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state)))
-               return;
+               return 0;
 
        cqe = mlx5_cqwq_get_cqe(&cq->wq);
        if (likely(!cqe))
-               return;
+               return 0;
 
        /* sq->cc must be updated only after mlx5_cqwq_update_db_record(),
         * otherwise a cq overrun may occur
@@ -650,6 +650,8 @@ void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
        sq->cc = sqcc;
 
        mlx5_cqwq_update_db_record(&cq->wq);
+
+       return i;
 }
 
 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq)
index 87c49e7..acb2021 100644 (file)
@@ -152,7 +152,11 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
                                mlx5e_post_rx_wqes,
                                rq);
        if (xsk_open) {
-               mlx5e_poll_ico_cq(&c->xskicosq.cq);
+               if (mlx5e_poll_ico_cq(&c->xskicosq.cq))
+                       /* Don't clear the flag if nothing was polled to prevent
+                        * queueing more WQEs and overflowing XSKICOSQ.
+                        */
+                       clear_bit(MLX5E_SQ_STATE_PENDING_XSK_TX, &c->xskicosq.state);
                busy |= mlx5e_poll_xdpsq_cq(&xsksq->cq);
                busy_xsk |= mlx5e_napi_xsk_post(xsksq, xskrq);
        }
index 70a104e..c3d0431 100644 (file)
@@ -380,7 +380,7 @@ struct mlxsw_afa_block *mlxsw_afa_block_create(struct mlxsw_afa *mlxsw_afa)
 
        block = kzalloc(sizeof(*block), GFP_KERNEL);
        if (!block)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
        INIT_LIST_HEAD(&block->resource_list);
        block->afa = mlxsw_afa;
 
@@ -408,7 +408,7 @@ err_second_set_create:
        mlxsw_afa_set_destroy(block->first_set);
 err_first_set_create:
        kfree(block);
-       return NULL;
+       return ERR_PTR(-ENOMEM);
 }
 EXPORT_SYMBOL(mlxsw_afa_block_create);
 
index 6c66a0f..ad69913 100644 (file)
@@ -88,8 +88,8 @@ static int mlxsw_sp2_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv,
         * to be written using PEFA register to all indexes for all regions.
         */
        afa_block = mlxsw_afa_block_create(mlxsw_sp->afa);
-       if (!afa_block) {
-               err = -ENOMEM;
+       if (IS_ERR(afa_block)) {
+               err = PTR_ERR(afa_block);
                goto err_afa_block;
        }
        err = mlxsw_afa_block_continue(afa_block);
index 67ee880..01cff71 100644 (file)
@@ -464,7 +464,7 @@ mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl,
 
        rulei = kzalloc(sizeof(*rulei), GFP_KERNEL);
        if (!rulei)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        if (afa_block) {
                rulei->act_block = afa_block;
index 346f4a5..221aa6a 100644 (file)
@@ -199,8 +199,8 @@ mlxsw_sp_mr_tcam_afa_block_create(struct mlxsw_sp *mlxsw_sp,
        int err;
 
        afa_block = mlxsw_afa_block_create(mlxsw_sp->afa);
-       if (!afa_block)
-               return ERR_PTR(-ENOMEM);
+       if (IS_ERR(afa_block))
+               return afa_block;
 
        err = mlxsw_afa_block_append_allocated_counter(afa_block,
                                                       counter_index);
index 5b145c6..2ba15c2 100644 (file)
@@ -1,19 +1,3 @@
-
-/*
- * snull.h -- definitions for the network module
- *
- * Copyright (C) 2001 Alessandro Rubini and Jonathan Corbet
- * Copyright (C) 2001 O'Reilly & Associates
- *
- * The source code in this file can be freely used, adapted,
- * and redistributed in source or binary form, so long as an
- * acknowledgment appears in derived source files.  The citation
- * should list that the code comes from the book "Linux Device
- * Drivers" by Alessandro Rubini and Jonathan Corbet, published
- * by O'Reilly & Associates.   No warranty is attached;
- * we cannot take responsibility for errors or fitness for use.
- */
-
 /* version dependencies have been confined to a separate file */
 
 /* Tunable parameters */
index 5419d4e..2e4aaed 100644 (file)
@@ -5,8 +5,13 @@
 #include <linux/clk-provider.h>
 #include <linux/pci.h>
 #include <linux/dmi.h>
+#include "dwmac-intel.h"
 #include "stmmac.h"
 
+struct intel_priv_data {
+       int mdio_adhoc_addr;    /* mdio address for serdes & etc */
+};
+
 /* This struct is used to associate PCI Function of MAC controller on a board,
  * discovered via DMI, with the address of PHY connected to the MAC. The
  * negative value of the address means that MAC controller is not connected
@@ -49,6 +54,172 @@ static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
        return -ENODEV;
 }
 
+static int serdes_status_poll(struct stmmac_priv *priv, int phyaddr,
+                             int phyreg, u32 mask, u32 val)
+{
+       unsigned int retries = 10;
+       int val_rd;
+
+       do {
+               val_rd = mdiobus_read(priv->mii, phyaddr, phyreg);
+               if ((val_rd & mask) == (val & mask))
+                       return 0;
+               udelay(POLL_DELAY_US);
+       } while (--retries);
+
+       return -ETIMEDOUT;
+}
+
+static int intel_serdes_powerup(struct net_device *ndev, void *priv_data)
+{
+       struct intel_priv_data *intel_priv = priv_data;
+       struct stmmac_priv *priv = netdev_priv(ndev);
+       int serdes_phy_addr = 0;
+       u32 data = 0;
+
+       if (!intel_priv->mdio_adhoc_addr)
+               return 0;
+
+       serdes_phy_addr = intel_priv->mdio_adhoc_addr;
+
+       /* assert clk_req */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data |= SERDES_PLL_CLK;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* check for clk_ack assertion */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_PLL_CLK,
+                                 SERDES_PLL_CLK);
+
+       if (data) {
+               dev_err(priv->device, "Serdes PLL clk request timeout\n");
+               return data;
+       }
+
+       /* assert lane reset */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data |= SERDES_RST;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* check for assert lane reset reflection */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_RST,
+                                 SERDES_RST);
+
+       if (data) {
+               dev_err(priv->device, "Serdes assert lane reset timeout\n");
+               return data;
+       }
+
+       /*  move power state to P0 */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data &= ~SERDES_PWR_ST_MASK;
+       data |= SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* Check for P0 state */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_PWR_ST_MASK,
+                                 SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT);
+
+       if (data) {
+               dev_err(priv->device, "Serdes power state P0 timeout.\n");
+               return data;
+       }
+
+       return 0;
+}
+
+static void intel_serdes_powerdown(struct net_device *ndev, void *intel_data)
+{
+       struct intel_priv_data *intel_priv = intel_data;
+       struct stmmac_priv *priv = netdev_priv(ndev);
+       int serdes_phy_addr = 0;
+       u32 data = 0;
+
+       if (!intel_priv->mdio_adhoc_addr)
+               return;
+
+       serdes_phy_addr = intel_priv->mdio_adhoc_addr;
+
+       /*  move power state to P3 */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data &= ~SERDES_PWR_ST_MASK;
+       data |= SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* Check for P3 state */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_PWR_ST_MASK,
+                                 SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT);
+
+       if (data) {
+               dev_err(priv->device, "Serdes power state P3 timeout\n");
+               return;
+       }
+
+       /* de-assert clk_req */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data &= ~SERDES_PLL_CLK;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* check for clk_ack de-assert */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_PLL_CLK,
+                                 (u32)~SERDES_PLL_CLK);
+
+       if (data) {
+               dev_err(priv->device, "Serdes PLL clk de-assert timeout\n");
+               return;
+       }
+
+       /* de-assert lane reset */
+       data = mdiobus_read(priv->mii, serdes_phy_addr,
+                           SERDES_GCR0);
+
+       data &= ~SERDES_RST;
+
+       mdiobus_write(priv->mii, serdes_phy_addr,
+                     SERDES_GCR0, data);
+
+       /* check for de-assert lane reset reflection */
+       data = serdes_status_poll(priv, serdes_phy_addr,
+                                 SERDES_GSR0,
+                                 SERDES_RST,
+                                 (u32)~SERDES_RST);
+
+       if (data) {
+               dev_err(priv->device, "Serdes de-assert lane reset timeout\n");
+               return;
+       }
+}
+
 static void common_default_data(struct plat_stmmacenet_data *plat)
 {
        plat->clk_csr = 2;      /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */
@@ -189,6 +360,9 @@ static int ehl_sgmii_data(struct pci_dev *pdev,
        plat->phy_addr = 0;
        plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
 
+       plat->serdes_powerup = intel_serdes_powerup;
+       plat->serdes_powerdown = intel_serdes_powerdown;
+
        return ehl_common_data(pdev, plat);
 }
 
@@ -233,6 +407,8 @@ static int ehl_pse0_sgmii1g_data(struct pci_dev *pdev,
                                 struct plat_stmmacenet_data *plat)
 {
        plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+       plat->serdes_powerup = intel_serdes_powerup;
+       plat->serdes_powerdown = intel_serdes_powerdown;
        return ehl_pse0_common_data(pdev, plat);
 }
 
@@ -263,6 +439,8 @@ static int ehl_pse1_sgmii1g_data(struct pci_dev *pdev,
                                 struct plat_stmmacenet_data *plat)
 {
        plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+       plat->serdes_powerup = intel_serdes_powerup;
+       plat->serdes_powerdown = intel_serdes_powerdown;
        return ehl_pse1_common_data(pdev, plat);
 }
 
@@ -291,6 +469,8 @@ static int tgl_sgmii_data(struct pci_dev *pdev,
        plat->bus_id = 1;
        plat->phy_addr = 0;
        plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+       plat->serdes_powerup = intel_serdes_powerup;
+       plat->serdes_powerdown = intel_serdes_powerdown;
        return tgl_common_data(pdev, plat);
 }
 
@@ -417,11 +597,17 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
                               const struct pci_device_id *id)
 {
        struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
+       struct intel_priv_data *intel_priv;
        struct plat_stmmacenet_data *plat;
        struct stmmac_resources res;
        int i;
        int ret;
 
+       intel_priv = devm_kzalloc(&pdev->dev, sizeof(*intel_priv),
+                                 GFP_KERNEL);
+       if (!intel_priv)
+               return -ENOMEM;
+
        plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
        if (!plat)
                return -ENOMEM;
@@ -457,6 +643,9 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
 
        pci_set_master(pdev);
 
+       plat->bsp_priv = intel_priv;
+       intel_priv->mdio_adhoc_addr = 0x15;
+
        ret = info->setup(pdev, plat);
        if (ret)
                return ret;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
new file mode 100644 (file)
index 0000000..e723096
--- /dev/null
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020, Intel Corporation
+ * DWMAC Intel header file
+ */
+
+#ifndef __DWMAC_INTEL_H__
+#define __DWMAC_INTEL_H__
+
+#define POLL_DELAY_US 8
+
+/* SERDES Register */
+#define SERDES_GSR0    0x5     /* Global Status Reg0 */
+#define SERDES_GCR0    0xb     /* Global Configuration Reg0 */
+
+/* SERDES defines */
+#define SERDES_PLL_CLK         BIT(0)          /* PLL clk valid signal */
+#define SERDES_RST             BIT(2)          /* Serdes Reset */
+#define SERDES_PWR_ST_MASK     GENMASK(6, 4)   /* Serdes Power state*/
+#define SERDES_PWR_ST_SHIFT    4
+#define SERDES_PWR_ST_P0       0x0
+#define SERDES_PWR_ST_P3       0x3
+
+#endif /* __DWMAC_INTEL_H__ */
index 0e2fa14..a3934ca 100644 (file)
@@ -119,6 +119,7 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac *dwmac)
                { .div = 5, .val = 5, },
                { .div = 6, .val = 6, },
                { .div = 7, .val = 7, },
+               { /* end of array */ }
        };
 
        clk_configs = devm_kzalloc(dev, sizeof(*clk_configs), GFP_KERNEL);
index fa32cd5..70d4178 100644 (file)
@@ -291,16 +291,19 @@ static int socfpga_gen5_set_phy_mode(struct socfpga_dwmac *dwmac)
            phymode == PHY_INTERFACE_MODE_MII ||
            phymode == PHY_INTERFACE_MODE_GMII ||
            phymode == PHY_INTERFACE_MODE_SGMII) {
-               ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
                regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
                            &module);
                module |= (SYSMGR_FPGAGRP_MODULE_EMAC << (reg_shift / 2));
                regmap_write(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
                             module);
-       } else {
-               ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2));
        }
 
+       if (dwmac->f2h_ptp_ref_clk)
+               ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
+       else
+               ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK <<
+                         (reg_shift / 2));
+
        regmap_write(sys_mgr_base_addr, reg_offset, ctrl);
 
        /* Deassert reset for the phy configuration to be sampled by
index fcf0802..d291612 100644 (file)
@@ -27,12 +27,16 @@ static void config_sub_second_increment(void __iomem *ioaddr,
        unsigned long data;
        u32 reg_value;
 
-       /* For GMAC3.x, 4.x versions, convert the ptp_clock to nano second
-        *      formula = (1/ptp_clock) * 1000000000
-        * where ptp_clock is 50MHz if fine method is used to update system
+       /* For GMAC3.x, 4.x versions, in "fine adjustement mode" set sub-second
+        * increment to twice the number of nanoseconds of a clock cycle.
+        * The calculation of the default_addend value by the caller will set it
+        * to mid-range = 2^31 when the remainder of this division is zero,
+        * which will make the accumulator overflow once every 2 ptp_clock
+        * cycles, adding twice the number of nanoseconds of a clock cycle :
+        * 2000000000ULL / ptp_clock.
         */
        if (value & PTP_TCR_TSCFUPDT)
-               data = (1000000000ULL / 50000000);
+               data = (2000000000ULL / ptp_clock);
        else
                data = (1000000000ULL / ptp_clock);
 
index e6898fd..565da64 100644 (file)
@@ -4986,6 +4986,14 @@ int stmmac_dvr_probe(struct device *device,
                goto error_netdev_register;
        }
 
+       if (priv->plat->serdes_powerup) {
+               ret = priv->plat->serdes_powerup(ndev,
+                                                priv->plat->bsp_priv);
+
+               if (ret < 0)
+                       return ret;
+       }
+
 #ifdef CONFIG_DEBUG_FS
        stmmac_init_fs(ndev);
 #endif
@@ -5029,6 +5037,9 @@ int stmmac_dvr_remove(struct device *dev)
 
        stmmac_stop_all_dma(priv);
 
+       if (priv->plat->serdes_powerdown)
+               priv->plat->serdes_powerdown(ndev, priv->plat->bsp_priv);
+
        stmmac_mac_set(priv, priv->ioaddr, false);
        netif_carrier_off(ndev);
        unregister_netdev(ndev);
@@ -5081,6 +5092,9 @@ int stmmac_suspend(struct device *dev)
        /* Stop TX/RX DMA */
        stmmac_stop_all_dma(priv);
 
+       if (priv->plat->serdes_powerdown)
+               priv->plat->serdes_powerdown(ndev, priv->plat->bsp_priv);
+
        /* Enable Power down mode by programming the PMT regs */
        if (device_may_wakeup(priv->device)) {
                stmmac_pmt(priv, priv->hw, priv->wolopts);
@@ -5143,6 +5157,7 @@ int stmmac_resume(struct device *dev)
 {
        struct net_device *ndev = dev_get_drvdata(dev);
        struct stmmac_priv *priv = netdev_priv(ndev);
+       int ret;
 
        if (!netif_running(ndev))
                return 0;
@@ -5170,6 +5185,14 @@ int stmmac_resume(struct device *dev)
                        stmmac_mdio_reset(priv->mii);
        }
 
+       if (priv->plat->serdes_powerup) {
+               ret = priv->plat->serdes_powerup(ndev,
+                                                priv->plat->bsp_priv);
+
+               if (ret < 0)
+                       return ret;
+       }
+
        netif_device_attach(ndev);
 
        mutex_lock(&priv->lock);
index 269596c..2e52029 100644 (file)
@@ -1387,6 +1387,8 @@ static int ixp4xx_eth_probe(struct platform_device *pdev)
                return -ENODEV;
        regs_phys = res->start;
        port->regs = devm_ioremap_resource(dev, res);
+       if (IS_ERR(port->regs))
+               return PTR_ERR(port->regs);
 
        switch (port->id) {
        case IXP4XX_ETH_NPEA:
index 09f279c..6b461be 100644 (file)
@@ -1207,7 +1207,7 @@ static int geneve_validate(struct nlattr *tb[], struct nlattr *data[],
                enum ifla_geneve_df df = nla_get_u8(data[IFLA_GENEVE_DF]);
 
                if (df < 0 || df > GENEVE_DF_MAX) {
-                       NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_GENEVE_DF],
+                       NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_DF],
                                            "Invalid DF attribute");
                        return -EINVAL;
                }
index a183250..758baf7 100644 (file)
@@ -4002,11 +4002,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
                          struct netlink_ext_ack *extack)
 {
        struct macsec_dev *macsec = macsec_priv(dev);
+       rx_handler_func_t *rx_handler;
+       u8 icv_len = DEFAULT_ICV_LEN;
        struct net_device *real_dev;
-       int err;
+       int err, mtu;
        sci_t sci;
-       u8 icv_len = DEFAULT_ICV_LEN;
-       rx_handler_func_t *rx_handler;
 
        if (!tb[IFLA_LINK])
                return -EINVAL;
@@ -4033,7 +4033,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
 
        if (data && data[IFLA_MACSEC_ICV_LEN])
                icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]);
-       dev->mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
+       mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
+       if (mtu < 0)
+               dev->mtu = 0;
+       else
+               dev->mtu = mtu;
 
        rx_handler = rtnl_dereference(real_dev->rx_handler);
        if (rx_handler && rx_handler != macsec_handle_frame)
index e7289d6..0482adc 100644 (file)
@@ -1704,7 +1704,7 @@ static int macvlan_device_event(struct notifier_block *unused,
                                                struct macvlan_dev,
                                                list);
 
-               if (macvlan_sync_address(vlan->dev, dev->dev_addr))
+               if (vlan && macvlan_sync_address(vlan->dev, dev->dev_addr))
                        return NOTIFY_BAD;
 
                break;
index 3840d2a..9717a16 100644 (file)
@@ -155,9 +155,6 @@ static int bcm84881_read_status(struct phy_device *phydev)
        if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete)
                phydev->link = false;
 
-       if (!phydev->link)
-               return 0;
-
        linkmode_zero(phydev->lp_advertising);
        phydev->speed = SPEED_UNKNOWN;
        phydev->duplex = DUPLEX_UNKNOWN;
@@ -165,6 +162,9 @@ static int bcm84881_read_status(struct phy_device *phydev)
        phydev->asym_pause = 0;
        phydev->mdix = 0;
 
+       if (!phydev->link)
+               return 0;
+
        if (phydev->autoneg_complete) {
                val = genphy_c45_read_lpa(phydev);
                if (val < 0)
index 95e3f46..ff12492 100644 (file)
@@ -246,7 +246,8 @@ static int mv3310_power_up(struct phy_device *phydev)
        ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
                                 MV_V2_PORT_CTRL_PWRDOWN);
 
-       if (priv->firmware_ver < 0x00030000)
+       if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310 ||
+           priv->firmware_ver < 0x00030000)
                return ret;
 
        return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
index 001def4..fed3e39 100644 (file)
@@ -3,9 +3,21 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/mii.h>
 #include <linux/phy.h>
 
+/* External Register Control Register */
+#define LAN87XX_EXT_REG_CTL                     (0x14)
+#define LAN87XX_EXT_REG_CTL_RD_CTL              (0x1000)
+#define LAN87XX_EXT_REG_CTL_WR_CTL              (0x0800)
+
+/* External Register Read Data Register */
+#define LAN87XX_EXT_REG_RD_DATA                 (0x15)
+
+/* External Register Write Data Register */
+#define LAN87XX_EXT_REG_WR_DATA                 (0x16)
+
 /* Interrupt Source Register */
 #define LAN87XX_INTERRUPT_SOURCE                (0x18)
 
 #define LAN87XX_MASK_LINK_UP                    (0x0004)
 #define LAN87XX_MASK_LINK_DOWN                  (0x0002)
 
+/* phyaccess nested types */
+#define        PHYACC_ATTR_MODE_READ           0
+#define        PHYACC_ATTR_MODE_WRITE          1
+#define        PHYACC_ATTR_MODE_MODIFY         2
+
+#define        PHYACC_ATTR_BANK_SMI            0
+#define        PHYACC_ATTR_BANK_MISC           1
+#define        PHYACC_ATTR_BANK_PCS            2
+#define        PHYACC_ATTR_BANK_AFE            3
+#define        PHYACC_ATTR_BANK_MAX            7
+
 #define DRIVER_AUTHOR  "Nisar Sayed <nisar.sayed@microchip.com>"
 #define DRIVER_DESC    "Microchip LAN87XX T1 PHY driver"
 
+struct access_ereg_val {
+       u8  mode;
+       u8  bank;
+       u8  offset;
+       u16 val;
+       u16 mask;
+};
+
+static int access_ereg(struct phy_device *phydev, u8 mode, u8 bank,
+                      u8 offset, u16 val)
+{
+       u16 ereg = 0;
+       int rc = 0;
+
+       if (mode > PHYACC_ATTR_MODE_WRITE || bank > PHYACC_ATTR_BANK_MAX)
+               return -EINVAL;
+
+       if (bank == PHYACC_ATTR_BANK_SMI) {
+               if (mode == PHYACC_ATTR_MODE_WRITE)
+                       rc = phy_write(phydev, offset, val);
+               else
+                       rc = phy_read(phydev, offset);
+               return rc;
+       }
+
+       if (mode == PHYACC_ATTR_MODE_WRITE) {
+               ereg = LAN87XX_EXT_REG_CTL_WR_CTL;
+               rc = phy_write(phydev, LAN87XX_EXT_REG_WR_DATA, val);
+               if (rc < 0)
+                       return rc;
+       } else {
+               ereg = LAN87XX_EXT_REG_CTL_RD_CTL;
+       }
+
+       ereg |= (bank << 8) | offset;
+
+       rc = phy_write(phydev, LAN87XX_EXT_REG_CTL, ereg);
+       if (rc < 0)
+               return rc;
+
+       if (mode == PHYACC_ATTR_MODE_READ)
+               rc = phy_read(phydev, LAN87XX_EXT_REG_RD_DATA);
+
+       return rc;
+}
+
+static int access_ereg_modify_changed(struct phy_device *phydev,
+                                     u8 bank, u8 offset, u16 val, u16 mask)
+{
+       int new = 0, rc = 0;
+
+       if (bank > PHYACC_ATTR_BANK_MAX)
+               return -EINVAL;
+
+       rc = access_ereg(phydev, PHYACC_ATTR_MODE_READ, bank, offset, val);
+       if (rc < 0)
+               return rc;
+
+       new = val | (rc & (mask ^ 0xFFFF));
+       rc = access_ereg(phydev, PHYACC_ATTR_MODE_WRITE, bank, offset, new);
+
+       return rc;
+}
+
+static int lan87xx_phy_init(struct phy_device *phydev)
+{
+       static const struct access_ereg_val init[] = {
+               /* TX Amplitude = 5 */
+               {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_AFE, 0x0B,
+                0x000A, 0x001E},
+               /* Clear SMI interrupts */
+               {PHYACC_ATTR_MODE_READ, PHYACC_ATTR_BANK_SMI, 0x18,
+                0, 0},
+               /* Clear MISC interrupts */
+               {PHYACC_ATTR_MODE_READ, PHYACC_ATTR_BANK_MISC, 0x08,
+                0, 0},
+               /* Turn on TC10 Ring Oscillator (ROSC) */
+               {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_MISC, 0x20,
+                0x0020, 0x0020},
+               /* WUR Detect Length to 1.2uS, LPC Detect Length to 1.09uS */
+               {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_PCS, 0x20,
+                0x283C, 0},
+               /* Wake_In Debounce Length to 39uS, Wake_Out Length to 79uS */
+               {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x21,
+                0x274F, 0},
+               /* Enable Auto Wake Forward to Wake_Out, ROSC on, Sleep,
+                * and Wake_In to wake PHY
+                */
+               {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x20,
+                0x80A7, 0},
+               /* Enable WUP Auto Fwd, Enable Wake on MDI, Wakeup Debouncer
+                * to 128 uS
+                */
+               {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x24,
+                0xF110, 0},
+               /* Enable HW Init */
+               {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_SMI, 0x1A,
+                0x0100, 0x0100},
+       };
+       int rc, i;
+
+       /* Start manual initialization procedures in Managed Mode */
+       rc = access_ereg_modify_changed(phydev, PHYACC_ATTR_BANK_SMI,
+                                       0x1a, 0x0000, 0x0100);
+       if (rc < 0)
+               return rc;
+
+       /* Soft Reset the SMI block */
+       rc = access_ereg_modify_changed(phydev, PHYACC_ATTR_BANK_SMI,
+                                       0x00, 0x8000, 0x8000);
+       if (rc < 0)
+               return rc;
+
+       /* Check to see if the self-clearing bit is cleared */
+       usleep_range(1000, 2000);
+       rc = access_ereg(phydev, PHYACC_ATTR_MODE_READ,
+                        PHYACC_ATTR_BANK_SMI, 0x00, 0);
+       if (rc < 0)
+               return rc;
+       if ((rc & 0x8000) != 0)
+               return -ETIMEDOUT;
+
+       /* PHY Initialization */
+       for (i = 0; i < ARRAY_SIZE(init); i++) {
+               if (init[i].mode == PHYACC_ATTR_MODE_MODIFY) {
+                       rc = access_ereg_modify_changed(phydev, init[i].bank,
+                                                       init[i].offset,
+                                                       init[i].val,
+                                                       init[i].mask);
+               } else {
+                       rc = access_ereg(phydev, init[i].mode, init[i].bank,
+                                        init[i].offset, init[i].val);
+               }
+               if (rc < 0)
+                       return rc;
+       }
+
+       return 0;
+}
+
 static int lan87xx_phy_config_intr(struct phy_device *phydev)
 {
        int rc, val = 0;
@@ -40,6 +203,13 @@ static int lan87xx_phy_ack_interrupt(struct phy_device *phydev)
        return rc < 0 ? rc : 0;
 }
 
+static int lan87xx_config_init(struct phy_device *phydev)
+{
+       int rc = lan87xx_phy_init(phydev);
+
+       return rc < 0 ? rc : 0;
+}
+
 static struct phy_driver microchip_t1_phy_driver[] = {
        {
                .phy_id         = 0x0007c150,
@@ -48,6 +218,7 @@ static struct phy_driver microchip_t1_phy_driver[] = {
 
                .features       = PHY_BASIC_T1_FEATURES,
 
+               .config_init    = lan87xx_config_init,
                .config_aneg    = genphy_config_aneg,
 
                .ack_interrupt  = lan87xx_phy_ack_interrupt,
index 4004f98..04845a4 100644 (file)
@@ -468,6 +468,9 @@ static const struct team_mode *team_mode_get(const char *kind)
        struct team_mode_item *mitem;
        const struct team_mode *mode = NULL;
 
+       if (!try_module_get(THIS_MODULE))
+               return NULL;
+
        spin_lock(&mode_list_lock);
        mitem = __find_mode(kind);
        if (!mitem) {
@@ -483,6 +486,7 @@ static const struct team_mode *team_mode_get(const char *kind)
        }
 
        spin_unlock(&mode_list_lock);
+       module_put(THIS_MODULE);
        return mode;
 }
 
index 66e00dd..56f8aab 100644 (file)
@@ -188,8 +188,8 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb,
        fl6.flowi6_proto = iph->nexthdr;
        fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF;
 
-       dst = ip6_route_output(net, NULL, &fl6);
-       if (dst == dst_null)
+       dst = ip6_dst_lookup_flow(net, NULL, &fl6, NULL);
+       if (IS_ERR(dst) || dst == dst_null)
                goto err;
 
        skb_dst_drop(skb);
@@ -474,7 +474,8 @@ static struct sk_buff *vrf_ip6_out(struct net_device *vrf_dev,
        if (rt6_need_strict(&ipv6_hdr(skb)->daddr))
                return skb;
 
-       if (qdisc_tx_is_default(vrf_dev))
+       if (qdisc_tx_is_default(vrf_dev) ||
+           IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED)
                return vrf_ip6_out_direct(vrf_dev, sk, skb);
 
        return vrf_ip6_out_redirect(vrf_dev, skb);
@@ -686,7 +687,8 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev,
            ipv4_is_lbcast(ip_hdr(skb)->daddr))
                return skb;
 
-       if (qdisc_tx_is_default(vrf_dev))
+       if (qdisc_tx_is_default(vrf_dev) ||
+           IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)
                return vrf_ip_out_direct(vrf_dev, sk, skb);
 
        return vrf_ip_out_redirect(vrf_dev, skb);
index 45308b3..a5b415f 100644 (file)
@@ -3144,7 +3144,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
                u32 id = nla_get_u32(data[IFLA_VXLAN_ID]);
 
                if (id >= VXLAN_N_VID) {
-                       NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_ID],
+                       NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_ID],
                                            "VXLAN ID must be lower than 16777216");
                        return -ERANGE;
                }
@@ -3155,7 +3155,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
                        = nla_data(data[IFLA_VXLAN_PORT_RANGE]);
 
                if (ntohs(p->high) < ntohs(p->low)) {
-                       NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_PORT_RANGE],
+                       NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_PORT_RANGE],
                                            "Invalid source port range");
                        return -EINVAL;
                }
@@ -3165,7 +3165,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
                enum ifla_vxlan_df df = nla_get_u8(data[IFLA_VXLAN_DF]);
 
                if (df < 0 || df > VXLAN_DF_MAX) {
-                       NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_DF],
+                       NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_DF],
                                            "Invalid DF attribute");
                        return -EINVAL;
                }
index 529ebca..1f7709d 100644 (file)
@@ -354,6 +354,7 @@ out:
                usb_autopm_put_interface(i2400mu->usb_iface);
        d_fnend(8, dev, "(i2400m %p ack %p size %zu) = %ld\n",
                i2400m, ack, ack_size, (long) result);
+       usb_put_urb(&notif_urb);
        return result;
 
 error_exceeded:
index 6209f85..0af9e99 100644 (file)
@@ -374,7 +374,7 @@ out:
 }
 
 static void *
-il3945_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+il3945_rs_alloc(struct ieee80211_hw *hw)
 {
        return hw->priv;
 }
index 7c6e2c8..0a02d8a 100644 (file)
@@ -2474,7 +2474,7 @@ il4965_rs_fill_link_cmd(struct il_priv *il, struct il_lq_sta *lq_sta,
 }
 
 static void *
-il4965_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+il4965_rs_alloc(struct ieee80211_hw *hw)
 {
        return hw->priv;
 }
index 226165d..dac809d 100644 (file)
@@ -3019,7 +3019,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
                        cpu_to_le16(priv->lib->bt_params->agg_time_limit);
 }
 
-static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rs_alloc(struct ieee80211_hw *hw)
 {
        return hw->priv;
 }
index ba2aff3..e3a3338 100644 (file)
@@ -296,9 +296,14 @@ int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
                if (!prof->enabled) {
                        IWL_DEBUG_RADIO(fwrt, "SAR profile %d is disabled.\n",
                                        profs[i]);
-                       /* if one of the profiles is disabled, we fail all */
-                       return -ENOENT;
+                       /*
+                        * if one of the profiles is disabled, we
+                        * ignore all of them and return 1 to
+                        * differentiate disabled from other failures.
+                        */
+                       return 1;
                }
+
                IWL_DEBUG_INFO(fwrt,
                               "SAR EWRD: chain %d profile index %d\n",
                               i, profs[i]);
index 73196cb..75d958b 100644 (file)
@@ -8,7 +8,7 @@
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -99,7 +99,7 @@ enum iwl_mvm_dqa_txq {
        IWL_MVM_DQA_MAX_MGMT_QUEUE = 8,
        IWL_MVM_DQA_AP_PROBE_RESP_QUEUE = 9,
        IWL_MVM_DQA_MIN_DATA_QUEUE = 10,
-       IWL_MVM_DQA_MAX_DATA_QUEUE = 31,
+       IWL_MVM_DQA_MAX_DATA_QUEUE = 30,
 };
 
 enum iwl_mvm_tx_fifo {
index ff52e69..eeb750b 100644 (file)
@@ -1467,7 +1467,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
                                kmemdup(pieces->dbg_conf_tlv[i],
                                        pieces->dbg_conf_tlv_len[i],
                                        GFP_KERNEL);
-                       if (!pieces->dbg_conf_tlv[i])
+                       if (!drv->fw.dbg.conf_tlv[i])
                                goto out_free_fw;
                }
        }
index 9e9810d..ccf0bc1 100644 (file)
@@ -532,8 +532,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = {
                                        IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
                                        IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
                                .mac_cap_info[2] =
-                                       IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP |
-                                       IEEE80211_HE_MAC_CAP2_ACK_EN,
+                                       IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP,
                                .mac_cap_info[3] =
                                        IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
                                        IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
@@ -617,8 +616,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = {
                                        IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
                                        IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
                                .mac_cap_info[2] =
-                                       IEEE80211_HE_MAC_CAP2_BSR |
-                                       IEEE80211_HE_MAC_CAP2_ACK_EN,
+                                       IEEE80211_HE_MAC_CAP2_BSR,
                                .mac_cap_info[3] =
                                        IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
                                        IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
index a4038f2..e67c452 100644 (file)
@@ -727,6 +727,7 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
                struct iwl_dev_tx_power_cmd_v4 v4;
        } cmd;
 
+       int ret;
        u16 len = 0;
 
        cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
@@ -741,9 +742,14 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
                len = sizeof(cmd.v4.v3);
 
 
-       if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
-                                  prof_a, prof_b))
-               return -ENOENT;
+       ret = iwl_sar_select_profile(&mvm->fwrt,
+                                    cmd.v5.v3.per_chain_restriction,
+                                    prof_a, prof_b);
+
+       /* return on error or if the profile is disabled (positive number) */
+       if (ret)
+               return ret;
+
        IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
        return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
@@ -1034,16 +1040,7 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
                                "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
                                ret);
 
-       ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
-       /*
-        * If we don't have profile 0 from BIOS, just skip it.  This
-        * means that SAR Geo will not be enabled either, even if we
-        * have other valid profiles.
-        */
-       if (ret == -ENOENT)
-               return 1;
-
-       return ret;
+       return iwl_mvm_sar_select_profile(mvm, 1, 1);
 }
 
 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
@@ -1272,7 +1269,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
        ret = iwl_mvm_sar_init(mvm);
        if (ret == 0) {
                ret = iwl_mvm_sar_geo_init(mvm);
-       } else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
+       } else if (ret == -ENOENT && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
                /*
                 * If basic SAR is not available, we check for WGDS,
                 * which should *not* be available either.  If it is
index c1aba2b..00e7fdb 100644 (file)
@@ -3665,7 +3665,7 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
                        cpu_to_le16(iwl_mvm_coex_agg_time_limit(mvm, sta));
 }
 
-static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rs_alloc(struct ieee80211_hw *hw)
 {
        return hw->priv;
 }
index 5ee33c8..77b8def 100644 (file)
@@ -8,7 +8,7 @@
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -566,6 +566,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
 
 struct iwl_mvm_stat_data {
        struct iwl_mvm *mvm;
+       __le32 flags;
        __le32 mac_id;
        u8 beacon_filter_average_energy;
        void *general;
@@ -606,6 +607,13 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
                        -general->beacon_average_energy[vif_id];
        }
 
+       /* make sure that beacon statistics don't go backwards with TCM
+        * request to clear statistics
+        */
+       if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
+               mvmvif->beacon_stats.accu_num_beacons +=
+                       mvmvif->beacon_stats.num_beacons;
+
        if (mvmvif->id != id)
                return;
 
@@ -763,6 +771,7 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
 
                flags = stats->flag;
        }
+       data.flags = flags;
 
        iwl_mvm_rx_stats_check_trigger(mvm, pkt);
 
index 64ef3f3..56ae72d 100644 (file)
@@ -722,6 +722,11 @@ static int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id,
 
        lockdep_assert_held(&mvm->mutex);
 
+       if (WARN(maxq >= mvm->trans->trans_cfg->base_params->num_of_queues,
+                "max queue %d >= num_of_queues (%d)", maxq,
+                mvm->trans->trans_cfg->base_params->num_of_queues))
+               maxq = mvm->trans->trans_cfg->base_params->num_of_queues - 1;
+
        /* This should not be hit with new TX path */
        if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
                return -ENOSPC;
@@ -1164,9 +1169,9 @@ static int iwl_mvm_inactivity_check(struct iwl_mvm *mvm, u8 alloc_for_sta)
                                                   inactive_tid_bitmap,
                                                   &unshare_queues,
                                                   &changetid_queues);
-               if (ret >= 0 && free_queue < 0) {
+               if (ret && free_queue < 0) {
                        queue_owner = sta;
-                       free_queue = ret;
+                       free_queue = i;
                }
                /* only unlock sta lock - we still need the queue info lock */
                spin_unlock_bh(&mvmsta->lock);
index 01f248b..9d5b1e5 100644 (file)
@@ -129,6 +129,18 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
        int cmdq_size = max_t(u32, IWL_CMD_QUEUE_SIZE,
                              trans->cfg->min_txq_size);
 
+       switch (trans_pcie->rx_buf_size) {
+       case IWL_AMSDU_DEF:
+               return -EINVAL;
+       case IWL_AMSDU_2K:
+               break;
+       case IWL_AMSDU_4K:
+       case IWL_AMSDU_8K:
+       case IWL_AMSDU_12K:
+               control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K;
+               break;
+       }
+
        /* Allocate prph scratch */
        prph_scratch = dma_alloc_coherent(trans->dev, sizeof(*prph_scratch),
                                          &trans_pcie->prph_scratch_dma_addr,
@@ -143,10 +155,8 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
                cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
        prph_sc_ctrl->version.size = cpu_to_le16(sizeof(*prph_scratch) / 4);
 
-       control_flags = IWL_PRPH_SCRATCH_RB_SIZE_4K |
-                       IWL_PRPH_SCRATCH_MTR_MODE |
-                       (IWL_PRPH_MTR_FORMAT_256B &
-                        IWL_PRPH_SCRATCH_MTR_FORMAT);
+       control_flags |= IWL_PRPH_SCRATCH_MTR_MODE;
+       control_flags |= IWL_PRPH_MTR_FORMAT_256B & IWL_PRPH_SCRATCH_MTR_FORMAT;
 
        /* initialize RX default queue */
        prph_sc_ctrl->rbd_cfg.free_rbd_addr =
index 86fc001..9664dbc 100644 (file)
@@ -1418,6 +1418,9 @@ void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue)
 
        iwl_pcie_gen2_txq_unmap(trans, queue);
 
+       iwl_pcie_gen2_txq_free_memory(trans, trans_pcie->txq[queue]);
+       trans_pcie->txq[queue] = NULL;
+
        IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", queue);
 }
 
index 7c4b7c3..0528d4c 100644 (file)
@@ -4068,7 +4068,7 @@ static void hwsim_virtio_rx_work(struct work_struct *work)
        }
        vq = hwsim_vqs[HWSIM_VQ_RX];
        sg_init_one(sg, skb->head, skb_end_offset(skb));
-       err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL);
+       err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_ATOMIC);
        if (WARN(err, "virtqueue_add_inbuf returned %d\n", err))
                nlmsg_free(skb);
        else
index 0c7d749..4b5ea0e 100644 (file)
@@ -261,7 +261,7 @@ static void rtl_rate_update(void *ppriv,
 {
 }
 
-static void *rtl_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rtl_rate_alloc(struct ieee80211_hw *hw)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        return rtlpriv;
index dfda54c..52d77db 100644 (file)
@@ -400,8 +400,8 @@ static int ines_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
        ines_write32(port, ts_stat_rx, ts_stat_rx);
        ines_write32(port, ts_stat_tx, ts_stat_tx);
 
-       port->rxts_enabled = ts_stat_rx == TS_ENABLE ? true : false;
-       port->txts_enabled = ts_stat_tx == TS_ENABLE ? true : false;
+       port->rxts_enabled = ts_stat_rx == TS_ENABLE;
+       port->txts_enabled = ts_stat_tx == TS_ENABLE;
 
        spin_unlock_irqrestore(&port->lock, flags);
 
index fbafb35..bd964c3 100644 (file)
@@ -177,6 +177,8 @@ struct plat_stmmacenet_data {
        struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
        struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES];
        void (*fix_mac_speed)(void *priv, unsigned int speed);
+       int (*serdes_powerup)(struct net_device *ndev, void *priv);
+       void (*serdes_powerdown)(struct net_device *ndev, void *priv);
        int (*init)(struct platform_device *pdev, void *priv);
        void (*exit)(struct platform_device *pdev, void *priv);
        struct mac_device_info *(*setup)(void *priv);
index b6b4de0..97fec4d 100644 (file)
@@ -6007,7 +6007,9 @@ enum rate_control_capabilities {
 struct rate_control_ops {
        unsigned long capa;
        const char *name;
-       void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
+       void *(*alloc)(struct ieee80211_hw *hw);
+       void (*add_debugfs)(struct ieee80211_hw *hw, void *priv,
+                           struct dentry *debugfsdir);
        void (*free)(void *priv);
 
        void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
index 7d10711..9205a76 100644 (file)
@@ -41,7 +41,7 @@ enum {
        ND_OPT_DNSSL = 31,              /* RFC6106 */
        ND_OPT_6CO = 34,                /* RFC6775 */
        ND_OPT_CAPTIVE_PORTAL = 37,     /* RFC7710 */
-       ND_OPT_PREF64 = 38,             /* RFC-ietf-6man-ra-pref64-09 */
+       ND_OPT_PREF64 = 38,             /* RFC8781 */
        __ND_OPT_MAX
 };
 
index 5fa9eac..dcf9a72 100644 (file)
@@ -51,7 +51,7 @@ extern struct inet_hashinfo tcp_hashinfo;
 extern struct percpu_counter tcp_orphan_count;
 void tcp_time_wait(struct sock *sk, int state, int timeo);
 
-#define MAX_TCP_HEADER (128 + MAX_HEADER)
+#define MAX_TCP_HEADER L1_CACHE_ALIGN(128 + MAX_HEADER)
 #define MAX_TCP_OPTION_SPACE 40
 #define TCP_MIN_SND_MSS                48
 #define TCP_MIN_GSO_SIZE       (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)
index 2e29a67..7bbf1b6 100644 (file)
@@ -1642,7 +1642,7 @@ union bpf_attr {
  *             ifindex, but doesn't require a map to do so.
  *     Return
  *             **XDP_REDIRECT** on success, or the value of the two lower bits
- *             of the **flags* argument on error.
+ *             of the *flags* argument on error.
  *
  * int bpf_sk_redirect_map(struct sk_buff *skb, struct bpf_map *map, u32 key, u64 flags)
  *     Description
index 70f71b1..3fe0b00 100644 (file)
@@ -469,7 +469,7 @@ static int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
                return -EOVERFLOW;
 
        /* Make sure CPU is a valid possible cpu */
-       if (!cpu_possible(key_cpu))
+       if (key_cpu >= nr_cpumask_bits || !cpu_possible(key_cpu))
                return -ENODEV;
 
        if (qsize == 0) {
index d85f372..7626b80 100644 (file)
@@ -2283,7 +2283,7 @@ static void bpf_link_show_fdinfo(struct seq_file *m, struct file *filp)
 }
 #endif
 
-const struct file_operations bpf_link_fops = {
+static const struct file_operations bpf_link_fops = {
 #ifdef CONFIG_PROC_FS
        .show_fdinfo    = bpf_link_show_fdinfo,
 #endif
@@ -3628,8 +3628,10 @@ static int link_update(union bpf_attr *attr)
                return PTR_ERR(link);
 
        new_prog = bpf_prog_get(attr->link_update.new_prog_fd);
-       if (IS_ERR(new_prog))
-               return PTR_ERR(new_prog);
+       if (IS_ERR(new_prog)) {
+               ret = PTR_ERR(new_prog);
+               goto out_put_link;
+       }
 
        if (flags & BPF_F_REPLACE) {
                old_prog = bpf_prog_get(attr->link_update.old_prog_fd);
@@ -3638,6 +3640,9 @@ static int link_update(union bpf_attr *attr)
                        old_prog = NULL;
                        goto out_put_progs;
                }
+       } else if (attr->link_update.old_prog_fd) {
+               ret = -EINVAL;
+               goto out_put_progs;
        }
 
 #ifdef CONFIG_CGROUP_BPF
@@ -3653,6 +3658,8 @@ out_put_progs:
                bpf_prog_put(old_prog);
        if (ret)
                bpf_prog_put(new_prog);
+out_put_link:
+       bpf_link_put(link);
        return ret;
 }
 
index 38cfcf7..fa1d824 100644 (file)
@@ -2118,6 +2118,15 @@ static bool register_is_const(struct bpf_reg_state *reg)
        return reg->type == SCALAR_VALUE && tnum_is_const(reg->var_off);
 }
 
+static bool __is_pointer_value(bool allow_ptr_leaks,
+                              const struct bpf_reg_state *reg)
+{
+       if (allow_ptr_leaks)
+               return false;
+
+       return reg->type != SCALAR_VALUE;
+}
+
 static void save_register_state(struct bpf_func_state *state,
                                int spi, struct bpf_reg_state *reg)
 {
@@ -2308,6 +2317,16 @@ static int check_stack_read(struct bpf_verifier_env *env,
                         * which resets stack/reg liveness for state transitions
                         */
                        state->regs[value_regno].live |= REG_LIVE_WRITTEN;
+               } else if (__is_pointer_value(env->allow_ptr_leaks, reg)) {
+                       /* If value_regno==-1, the caller is asking us whether
+                        * it is acceptable to use this value as a SCALAR_VALUE
+                        * (e.g. for XADD).
+                        * We must not allow unprivileged callers to do that
+                        * with spilled pointers.
+                        */
+                       verbose(env, "leaking pointer from stack off %d\n",
+                               off);
+                       return -EACCES;
                }
                mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);
        } else {
@@ -2673,15 +2692,6 @@ static int check_sock_access(struct bpf_verifier_env *env, int insn_idx,
        return -EACCES;
 }
 
-static bool __is_pointer_value(bool allow_ptr_leaks,
-                              const struct bpf_reg_state *reg)
-{
-       if (allow_ptr_leaks)
-               return false;
-
-       return reg->type != SCALAR_VALUE;
-}
-
 static struct bpf_reg_state *reg_state(struct bpf_verifier_env *env, int regno)
 {
        return cur_regs(env) + regno;
@@ -3089,7 +3099,7 @@ static int check_ptr_to_btf_access(struct bpf_verifier_env *env,
        if (ret < 0)
                return ret;
 
-       if (atype == BPF_READ) {
+       if (atype == BPF_READ && value_regno >= 0) {
                if (ret == SCALAR_VALUE) {
                        mark_reg_unknown(env, regs, value_regno);
                        return 0;
@@ -10487,6 +10497,7 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
                                return -EINVAL;
                        }
                        env->ops = bpf_verifier_ops[tgt_prog->type];
+                       prog->expected_attach_type = tgt_prog->expected_attach_type;
                }
                if (!tgt_prog->jited) {
                        verbose(env, "Can attach to only JITed progs\n");
@@ -10831,6 +10842,13 @@ err_release_maps:
                 * them now. Otherwise free_used_maps() will release them.
                 */
                release_maps(env);
+
+       /* extension progs temporarily inherit the attach_type of their targets
+          for verification purposes, so set it back to zero before returning
+        */
+       if (env->prog->type == BPF_PROG_TYPE_EXT)
+               env->prog->expected_attach_type = 0;
+
        *prog = env->prog;
 err_unlock:
        if (!is_priv)
index b4c87fe..41b24cd 100644 (file)
@@ -127,10 +127,8 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft,
        cs->classid = (u32)value;
 
        css_task_iter_start(css, 0, &it);
-       while ((p = css_task_iter_next(&it))) {
+       while ((p = css_task_iter_next(&it)))
                update_classid_task(p, cs->classid);
-               cond_resched();
-       }
        css_task_iter_end(&it);
 
        return 0;
index e94eb1a..d106880 100644 (file)
@@ -1770,11 +1770,9 @@ int dsa_slave_create(struct dsa_port *port)
        rtnl_lock();
        ret = dsa_slave_change_mtu(slave_dev, ETH_DATA_LEN);
        rtnl_unlock();
-       if (ret && ret != -EOPNOTSUPP) {
-               dev_err(ds->dev, "error %d setting MTU on port %d\n",
-                       ret, port->index);
-               goto out_free;
-       }
+       if (ret)
+               dev_warn(ds->dev, "nonfatal error %d setting MTU on port %d\n",
+                        ret, port->index);
 
        netif_carrier_off(slave_dev);
 
index 6ed8c93..55ca2e5 100644 (file)
@@ -2014,7 +2014,7 @@ static void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
 
        hlist_for_each_entry_rcu(fa, fa_head, fa_list) {
                struct fib_info *next_fi = fa->fa_info;
-               struct fib_nh *nh;
+               struct fib_nh_common *nhc;
 
                if (fa->fa_slen != slen)
                        continue;
@@ -2037,8 +2037,8 @@ static void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
                    fa->fa_type != RTN_UNICAST)
                        continue;
 
-               nh = fib_info_nh(next_fi, 0);
-               if (!nh->fib_nh_gw4 || nh->fib_nh_scope != RT_SCOPE_LINK)
+               nhc = fib_info_nhc(next_fi, 0);
+               if (!nhc->nhc_gw_family || nhc->nhc_scope != RT_SCOPE_LINK)
                        continue;
 
                fib_alias_accessed(fa);
index 89ba7c8..30ddb9d 100644 (file)
@@ -58,9 +58,7 @@ int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb)
 {
        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
 
-#ifdef CONFIG_NETFILTER
        IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
-#endif
 
        return xfrm_output(sk, skb);
 }
index debdaeb..18d0540 100644 (file)
@@ -183,15 +183,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                                        retv = -EBUSY;
                                        break;
                                }
-                       } else if (sk->sk_protocol == IPPROTO_TCP) {
-                               if (sk->sk_prot != &tcpv6_prot) {
-                                       retv = -EBUSY;
-                                       break;
-                               }
-                               break;
-                       } else {
+                       }
+                       if (sk->sk_protocol == IPPROTO_TCP &&
+                           sk->sk_prot != &tcpv6_prot) {
+                               retv = -EBUSY;
                                break;
                        }
+                       if (sk->sk_protocol != IPPROTO_TCP)
+                               break;
                        if (sk->sk_state != TCP_ESTABLISHED) {
                                retv = -ENOTCONN;
                                break;
index d38b476..307f336 100644 (file)
@@ -8,6 +8,7 @@
 #include <net/rpl.h>
 
 #define IPV6_PFXTAIL_LEN(x) (sizeof(struct in6_addr) - (x))
+#define IPV6_RPL_BEST_ADDR_COMPRESSION 15
 
 static void ipv6_rpl_addr_decompress(struct in6_addr *dst,
                                     const struct in6_addr *daddr,
@@ -73,7 +74,7 @@ static unsigned char ipv6_rpl_srh_calc_cmpri(const struct ipv6_rpl_sr_hdr *inhdr
                }
        }
 
-       return plen;
+       return IPV6_RPL_BEST_ADDR_COMPRESSION;
 }
 
 static unsigned char ipv6_rpl_srh_calc_cmpre(const struct in6_addr *daddr,
@@ -83,10 +84,10 @@ static unsigned char ipv6_rpl_srh_calc_cmpre(const struct in6_addr *daddr,
 
        for (plen = 0; plen < sizeof(*daddr); plen++) {
                if (daddr->s6_addr[plen] != last_segment->s6_addr[plen])
-                       break;
+                       return plen;
        }
 
-       return plen;
+       return IPV6_RPL_BEST_ADDR_COMPRESSION;
 }
 
 void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
index fbe51d4..e34167f 100644 (file)
@@ -111,9 +111,7 @@ int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb)
 {
        memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
 
-#ifdef CONFIG_NETFILTER
        IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
-#endif
 
        return xfrm_output(sk, skb);
 }
index 0e9ad60..6423173 100644 (file)
@@ -1183,8 +1183,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
        local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
                                   IEEE80211_TX_STATUS_HEADROOM);
 
-       debugfs_hw_add(local);
-
        /*
         * if the driver doesn't specify a max listen interval we
         * use 5 which should be a safe default
@@ -1273,6 +1271,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
        if (result < 0)
                goto fail_wiphy_register;
 
+       debugfs_hw_add(local);
+       rate_control_add_debugfs(local);
+
        rtnl_lock();
 
        /* add one default STA interface if supported */
index a1e9fc7..b051f12 100644 (file)
@@ -214,17 +214,16 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf,
                                       ref->ops->name, len);
 }
 
-static const struct file_operations rcname_ops = {
+const struct file_operations rcname_ops = {
        .read = rcname_read,
        .open = simple_open,
        .llseek = default_llseek,
 };
 #endif
 
-static struct rate_control_ref *rate_control_alloc(const char *name,
-                                           struct ieee80211_local *local)
+static struct rate_control_ref *
+rate_control_alloc(const char *name, struct ieee80211_local *local)
 {
-       struct dentry *debugfsdir = NULL;
        struct rate_control_ref *ref;
 
        ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
@@ -234,13 +233,7 @@ static struct rate_control_ref *rate_control_alloc(const char *name,
        if (!ref->ops)
                goto free;
 
-#ifdef CONFIG_MAC80211_DEBUGFS
-       debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
-       local->debugfs.rcdir = debugfsdir;
-       debugfs_create_file("name", 0400, debugfsdir, ref, &rcname_ops);
-#endif
-
-       ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
+       ref->priv = ref->ops->alloc(&local->hw);
        if (!ref->priv)
                goto free;
        return ref;
index 5397c6d..79b44d3 100644 (file)
@@ -60,6 +60,29 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
 #endif
 }
 
+extern const struct file_operations rcname_ops;
+
+static inline void rate_control_add_debugfs(struct ieee80211_local *local)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+       struct dentry *debugfsdir;
+
+       if (!local->rate_ctrl)
+               return;
+
+       if (!local->rate_ctrl->ops->add_debugfs)
+               return;
+
+       debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
+       local->debugfs.rcdir = debugfsdir;
+       debugfs_create_file("name", 0400, debugfsdir,
+                           local->rate_ctrl, &rcname_ops);
+
+       local->rate_ctrl->ops->add_debugfs(&local->hw, local->rate_ctrl->priv,
+                                          debugfsdir);
+#endif
+}
+
 void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
 
 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
index 694a319..5dc3e5b 100644 (file)
@@ -1635,7 +1635,7 @@ minstrel_ht_init_cck_rates(struct minstrel_priv *mp)
 }
 
 static void *
-minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+minstrel_ht_alloc(struct ieee80211_hw *hw)
 {
        struct minstrel_priv *mp;
 
@@ -1673,7 +1673,17 @@ minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
        mp->update_interval = HZ / 10;
        mp->new_avg = true;
 
+       minstrel_ht_init_cck_rates(mp);
+
+       return mp;
+}
+
 #ifdef CONFIG_MAC80211_DEBUGFS
+static void minstrel_ht_add_debugfs(struct ieee80211_hw *hw, void *priv,
+                                   struct dentry *debugfsdir)
+{
+       struct minstrel_priv *mp = priv;
+
        mp->fixed_rate_idx = (u32) -1;
        debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
                           &mp->fixed_rate_idx);
@@ -1681,12 +1691,8 @@ minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
                           &mp->sample_switch);
        debugfs_create_bool("new_avg", S_IRUGO | S_IWUSR, debugfsdir,
                           &mp->new_avg);
-#endif
-
-       minstrel_ht_init_cck_rates(mp);
-
-       return mp;
 }
+#endif
 
 static void
 minstrel_ht_free(void *priv)
@@ -1725,6 +1731,7 @@ static const struct rate_control_ops mac80211_minstrel_ht = {
        .alloc = minstrel_ht_alloc,
        .free = minstrel_ht_free,
 #ifdef CONFIG_MAC80211_DEBUGFS
+       .add_debugfs = minstrel_ht_add_debugfs,
        .add_sta_debugfs = minstrel_ht_add_sta_debugfs,
 #endif
        .get_expected_throughput = minstrel_ht_get_expected_throughput,
index f8d5c25..cd8487b 100644 (file)
@@ -231,7 +231,8 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
        struct sta_info *sta;
        int i = 0;
 
-       list_for_each_entry_rcu(sta, &local->sta_list, list) {
+       list_for_each_entry_rcu(sta, &local->sta_list, list,
+                               lockdep_is_held(&local->sta_mtx)) {
                if (sdata != sta->sdata)
                        continue;
                if (i < idx) {
index faf5758..4a7c467 100644 (file)
@@ -876,12 +876,11 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
                        mpext->data_seq = mp_opt->data_seq;
                        mpext->subflow_seq = mp_opt->subflow_seq;
                        mpext->dsn64 = mp_opt->dsn64;
+                       mpext->data_fin = mp_opt->data_fin;
                }
                mpext->data_len = mp_opt->data_len;
                mpext->use_map = 1;
        }
-
-       mpext->data_fin = mp_opt->data_fin;
 }
 
 void mptcp_write_options(__be32 *ptr, struct mptcp_out_options *opts)
index 86d61ab..b78edf2 100644 (file)
@@ -599,12 +599,14 @@ static int mptcp_nl_fill_addr(struct sk_buff *skb,
            nla_put_s32(skb, MPTCP_PM_ADDR_ATTR_IF_IDX, entry->ifindex))
                goto nla_put_failure;
 
-       if (addr->family == AF_INET)
-               nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
-                               addr->addr.s_addr);
+       if (addr->family == AF_INET &&
+           nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
+                           addr->addr.s_addr))
+               goto nla_put_failure;
 #if IS_ENABLED(CONFIG_MPTCP_IPV6)
-       else if (addr->family == AF_INET6)
-               nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6);
+       else if (addr->family == AF_INET6 &&
+                nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6))
+               goto nla_put_failure;
 #endif
        nla_nest_end(skb, attr);
        return 0;
index 9936e33..b22a63b 100644 (file)
@@ -1332,7 +1332,9 @@ static struct ipv6_pinfo *mptcp_inet6_sk(const struct sock *sk)
 }
 #endif
 
-struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req)
+struct sock *mptcp_sk_clone(const struct sock *sk,
+                           const struct tcp_options_received *opt_rx,
+                           struct request_sock *req)
 {
        struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
        struct sock *nsk = sk_clone_lock(sk, GFP_ATOMIC);
@@ -1355,26 +1357,30 @@ struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req)
        msk->subflow = NULL;
 
        if (unlikely(mptcp_token_new_accept(subflow_req->token, nsk))) {
+               nsk->sk_state = TCP_CLOSE;
                bh_unlock_sock(nsk);
 
                /* we can't call into mptcp_close() here - possible BH context
-                * free the sock directly
+                * free the sock directly.
+                * sk_clone_lock() sets nsk refcnt to two, hence call sk_free()
+                * too.
                 */
-               nsk->sk_prot->destroy(nsk);
+               sk_common_release(nsk);
                sk_free(nsk);
                return NULL;
        }
 
        msk->write_seq = subflow_req->idsn + 1;
        atomic64_set(&msk->snd_una, msk->write_seq);
-       if (subflow_req->remote_key_valid) {
+       if (opt_rx->mptcp.mp_capable) {
                msk->can_ack = true;
-               msk->remote_key = subflow_req->remote_key;
+               msk->remote_key = opt_rx->mptcp.sndr_key;
                mptcp_crypto_key_sha(msk->remote_key, NULL, &ack_seq);
                ack_seq++;
                msk->ack_seq = ack_seq;
        }
 
+       sock_reset_flag(nsk, SOCK_RCU_FREE);
        /* will be fully established after successful MPC subflow creation */
        inet_sk_state_store(nsk, TCP_SYN_RECV);
        bh_unlock_sock(nsk);
@@ -1431,6 +1437,7 @@ static struct sock *mptcp_accept(struct sock *sk, int flags, int *err,
                newsk = new_mptcp_sock;
                mptcp_copy_inaddrs(newsk, ssk);
                list_add(&subflow->node, &msk->conn_list);
+               inet_sk_state_store(newsk, TCP_ESTABLISHED);
 
                bh_unlock_sock(new_mptcp_sock);
 
@@ -1775,6 +1782,8 @@ static int mptcp_listen(struct socket *sock, int backlog)
                goto unlock;
        }
 
+       sock_set_flag(sock->sk, SOCK_RCU_FREE);
+
        err = ssock->ops->listen(ssock, backlog);
        inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));
        if (!err)
index 6744800..a2b3048 100644 (file)
@@ -206,12 +206,10 @@ struct mptcp_subflow_request_sock {
        struct  tcp_request_sock sk;
        u16     mp_capable : 1,
                mp_join : 1,
-               backup : 1,
-               remote_key_valid : 1;
+               backup : 1;
        u8      local_id;
        u8      remote_id;
        u64     local_key;
-       u64     remote_key;
        u64     idsn;
        u32     token;
        u32     ssn_offset;
@@ -332,7 +330,9 @@ void mptcp_proto_init(void);
 int mptcp_proto_v6_init(void);
 #endif
 
-struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req);
+struct sock *mptcp_sk_clone(const struct sock *sk,
+                           const struct tcp_options_received *opt_rx,
+                           struct request_sock *req);
 void mptcp_get_options(const struct sk_buff *skb,
                       struct tcp_options_received *opt_rx);
 
index 50a8bea..fabd06f 100644 (file)
@@ -133,7 +133,6 @@ static void subflow_init_req(struct request_sock *req,
 
        subflow_req->mp_capable = 0;
        subflow_req->mp_join = 0;
-       subflow_req->remote_key_valid = 0;
 
 #ifdef CONFIG_TCP_MD5SIG
        /* no MPTCP if MD5SIG is enabled on this socket or we may run out of
@@ -347,6 +346,46 @@ static bool subflow_hmac_valid(const struct request_sock *req,
        return ret;
 }
 
+static void mptcp_sock_destruct(struct sock *sk)
+{
+       /* if new mptcp socket isn't accepted, it is free'd
+        * from the tcp listener sockets request queue, linked
+        * from req->sk.  The tcp socket is released.
+        * This calls the ULP release function which will
+        * also remove the mptcp socket, via
+        * sock_put(ctx->conn).
+        *
+        * Problem is that the mptcp socket will not be in
+        * SYN_RECV state and doesn't have SOCK_DEAD flag.
+        * Both result in warnings from inet_sock_destruct.
+        */
+
+       if (sk->sk_state == TCP_SYN_RECV) {
+               sk->sk_state = TCP_CLOSE;
+               WARN_ON_ONCE(sk->sk_socket);
+               sock_orphan(sk);
+       }
+
+       inet_sock_destruct(sk);
+}
+
+static void mptcp_force_close(struct sock *sk)
+{
+       inet_sk_state_store(sk, TCP_CLOSE);
+       sk_common_release(sk);
+}
+
+static void subflow_ulp_fallback(struct sock *sk,
+                                struct mptcp_subflow_context *old_ctx)
+{
+       struct inet_connection_sock *icsk = inet_csk(sk);
+
+       mptcp_subflow_tcp_fallback(sk, old_ctx);
+       icsk->icsk_ulp_ops = NULL;
+       rcu_assign_pointer(icsk->icsk_ulp_data, NULL);
+       tcp_sk(sk)->is_mptcp = 0;
+}
+
 static struct sock *subflow_syn_recv_sock(const struct sock *sk,
                                          struct sk_buff *skb,
                                          struct request_sock *req,
@@ -359,10 +398,12 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
        struct tcp_options_received opt_rx;
        bool fallback_is_fatal = false;
        struct sock *new_msk = NULL;
+       bool fallback = false;
        struct sock *child;
 
        pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn);
 
+       opt_rx.mptcp.mp_capable = 0;
        if (tcp_rsk(req)->is_mptcp == 0)
                goto create_child;
 
@@ -377,20 +418,16 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
                        goto create_msk;
                }
 
-               opt_rx.mptcp.mp_capable = 0;
                mptcp_get_options(skb, &opt_rx);
-               if (opt_rx.mptcp.mp_capable) {
-                       subflow_req->remote_key = opt_rx.mptcp.sndr_key;
-                       subflow_req->remote_key_valid = 1;
-               } else {
-                       subflow_req->mp_capable = 0;
+               if (!opt_rx.mptcp.mp_capable) {
+                       fallback = true;
                        goto create_child;
                }
 
 create_msk:
-               new_msk = mptcp_sk_clone(listener->conn, req);
+               new_msk = mptcp_sk_clone(listener->conn, &opt_rx, req);
                if (!new_msk)
-                       subflow_req->mp_capable = 0;
+                       fallback = true;
        } else if (subflow_req->mp_join) {
                fallback_is_fatal = true;
                opt_rx.mptcp.mp_join = 0;
@@ -409,12 +446,18 @@ create_child:
        if (child && *own_req) {
                struct mptcp_subflow_context *ctx = mptcp_subflow_ctx(child);
 
-               /* we have null ctx on TCP fallback, which is fatal on
-                * MPJ handshake
+               /* we need to fallback on ctx allocation failure and on pre-reqs
+                * checking above. In the latter scenario we additionally need
+                * to reset the context to non MPTCP status.
                 */
-               if (!ctx) {
+               if (!ctx || fallback) {
                        if (fallback_is_fatal)
                                goto close_child;
+
+                       if (ctx) {
+                               subflow_ulp_fallback(child, ctx);
+                               kfree_rcu(ctx, rcu);
+                       }
                        goto out;
                }
 
@@ -422,10 +465,17 @@ create_child:
                        /* new mpc subflow takes ownership of the newly
                         * created mptcp socket
                         */
-                       inet_sk_state_store(new_msk, TCP_ESTABLISHED);
+                       new_msk->sk_destruct = mptcp_sock_destruct;
                        mptcp_pm_new_connection(mptcp_sk(new_msk), 1);
                        ctx->conn = new_msk;
                        new_msk = NULL;
+
+                       /* with OoO packets we can reach here without ingress
+                        * mpc option
+                        */
+                       ctx->remote_key = opt_rx.mptcp.sndr_key;
+                       ctx->fully_established = opt_rx.mptcp.mp_capable;
+                       ctx->can_ack = opt_rx.mptcp.mp_capable;
                } else if (ctx->mp_join) {
                        struct mptcp_sock *owner;
 
@@ -444,7 +494,14 @@ create_child:
 out:
        /* dispose of the left over mptcp master, if any */
        if (unlikely(new_msk))
-               sock_put(new_msk);
+               mptcp_force_close(new_msk);
+
+       /* check for expected invariant - should never trigger, just help
+        * catching eariler subtle bugs
+        */
+       WARN_ON_ONCE(*own_req && child && tcp_sk(child)->is_mptcp &&
+                    (!mptcp_subflow_ctx(child) ||
+                     !mptcp_subflow_ctx(child)->conn));
        return child;
 
 close_child:
@@ -1047,17 +1104,6 @@ static void subflow_ulp_release(struct sock *sk)
        kfree_rcu(ctx, rcu);
 }
 
-static void subflow_ulp_fallback(struct sock *sk,
-                                struct mptcp_subflow_context *old_ctx)
-{
-       struct inet_connection_sock *icsk = inet_csk(sk);
-
-       mptcp_subflow_tcp_fallback(sk, old_ctx);
-       icsk->icsk_ulp_ops = NULL;
-       rcu_assign_pointer(icsk->icsk_ulp_data, NULL);
-       tcp_sk(sk)->is_mptcp = 0;
-}
-
 static void subflow_ulp_clone(const struct request_sock *req,
                              struct sock *newsk,
                              const gfp_t priority)
@@ -1091,9 +1137,6 @@ static void subflow_ulp_clone(const struct request_sock *req,
                 * is fully established only after we receive the remote key
                 */
                new_ctx->mp_capable = 1;
-               new_ctx->fully_established = subflow_req->remote_key_valid;
-               new_ctx->can_ack = subflow_req->remote_key_valid;
-               new_ctx->remote_key = subflow_req->remote_key;
                new_ctx->local_key = subflow_req->local_key;
                new_ctx->token = subflow_req->token;
                new_ctx->ssn_offset = subflow_req->ssn_offset;
index c0cb794..4344e57 100644 (file)
@@ -421,10 +421,12 @@ void nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table,
 
        down_write(&flow_table->flow_block_lock);
        block_cb = flow_block_cb_lookup(block, cb, cb_priv);
-       if (block_cb)
+       if (block_cb) {
                list_del(&block_cb->list);
-       else
+               flow_block_cb_free(block_cb);
+       } else {
                WARN_ON(true);
+       }
        up_write(&flow_table->flow_block_lock);
 }
 EXPORT_SYMBOL_GPL(nf_flow_table_offload_del_cb);
index 64eedc1..3d816a1 100644 (file)
@@ -1035,8 +1035,8 @@ int nf_nat_inet_register_fn(struct net *net, const struct nf_hook_ops *ops)
        ret = nf_nat_register_fn(net, NFPROTO_IPV4, ops, nf_nat_ipv4_ops,
                                 ARRAY_SIZE(nf_nat_ipv4_ops));
        if (ret)
-               nf_nat_ipv6_unregister_fn(net, ops);
-
+               nf_nat_unregister_fn(net, NFPROTO_IPV6, ops,
+                                       ARRAY_SIZE(nf_nat_ipv6_ops));
        return ret;
 }
 EXPORT_SYMBOL_GPL(nf_nat_inet_register_fn);
index 64280a1..07b03c3 100644 (file)
@@ -14,6 +14,6 @@ config NETLABEL
          Documentation/netlabel as well as the NetLabel SourceForge project
          for configuration tools and additional documentation.
 
-          * http://netlabel.sf.net
+          * https://github.com/netlabel/netlabel_tools
 
          If you are unsure, say N.
index 79f12d8..0891ee0 100644 (file)
@@ -208,6 +208,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
                /* refcount initialized at 1 */
                spin_unlock_bh(&nr_node_list_lock);
 
+               nr_neigh_put(nr_neigh);
                return 0;
        }
        nr_node_lock(nr_node);
index e726159..4340f25 100644 (file)
@@ -1895,7 +1895,8 @@ static void ovs_ct_limit_exit(struct net *net, struct ovs_net *ovs_net)
                struct hlist_head *head = &info->limits[i];
                struct ovs_ct_limit *ct_limit;
 
-               hlist_for_each_entry_rcu(ct_limit, head, hlist_node)
+               hlist_for_each_entry_rcu(ct_limit, head, hlist_node,
+                                        lockdep_ovsl_is_held())
                        kfree_rcu(ct_limit, rcu);
        }
        kfree(ovs_net->ct_limit_info->limits);
index d8ae541..94b0245 100644 (file)
@@ -2466,8 +2466,10 @@ static void __net_exit ovs_exit_net(struct net *dnet)
        struct net *net;
        LIST_HEAD(head);
 
-       ovs_ct_exit(dnet);
        ovs_lock();
+
+       ovs_ct_exit(dnet);
+
        list_for_each_entry_safe(dp, dp_next, &ovs_net->dps, list_node)
                __dp_destroy(dp);
 
index b1da558..c48f910 100644 (file)
@@ -82,7 +82,7 @@ static bool is_packet_valid(struct Qdisc *sch, struct sk_buff *nskb)
        if (q->skip_sock_check)
                goto skip;
 
-       if (!sk)
+       if (!sk || !sk_fullsock(sk))
                return false;
 
        if (!sock_flag(sk, SOCK_TXTIME))
@@ -137,8 +137,9 @@ static void report_sock_error(struct sk_buff *skb, u32 err, u8 code)
        struct sock_exterr_skb *serr;
        struct sk_buff *clone;
        ktime_t txtime = skb->tstamp;
+       struct sock *sk = skb->sk;
 
-       if (!skb->sk || !(skb->sk->sk_txtime_report_errors))
+       if (!sk || !sk_fullsock(sk) || !(sk->sk_txtime_report_errors))
                return;
 
        clone = skb_clone(skb, GFP_ATOMIC);
@@ -154,7 +155,7 @@ static void report_sock_error(struct sk_buff *skb, u32 err, u8 code)
        serr->ee.ee_data = (txtime >> 32); /* high part of tstamp */
        serr->ee.ee_info = txtime; /* low part of tstamp */
 
-       if (sock_queue_err_skb(skb->sk, clone))
+       if (sock_queue_err_skb(sk, clone))
                kfree_skb(clone);
 }
 
index 09050c1..f7cb0b7 100644 (file)
@@ -858,7 +858,11 @@ struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
        struct sctp_chunk *retval;
        __u32 ctsn;
 
-       ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
+       if (chunk && chunk->asoc)
+               ctsn = sctp_tsnmap_get_ctsn(&chunk->asoc->peer.tsn_map);
+       else
+               ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
+
        shut.cum_tsn_ack = htonl(ctsn);
 
        retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,
index 6a16af4..26788f4 100644 (file)
@@ -1865,7 +1865,7 @@ static enum sctp_disposition sctp_sf_do_dupcook_a(
                 */
                sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
                return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,
-                                                    SCTP_ST_CHUNK(0), NULL,
+                                                    SCTP_ST_CHUNK(0), repl,
                                                     commands);
        } else {
                sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
@@ -5470,7 +5470,7 @@ enum sctp_disposition sctp_sf_do_9_2_start_shutdown(
         * in the Cumulative TSN Ack field the last sequential TSN it
         * has received from the peer.
         */
-       reply = sctp_make_shutdown(asoc, NULL);
+       reply = sctp_make_shutdown(asoc, arg);
        if (!reply)
                goto nomem;
 
@@ -6068,7 +6068,7 @@ enum sctp_disposition sctp_sf_autoclose_timer_expire(
        disposition = SCTP_DISPOSITION_CONSUME;
        if (sctp_outq_is_empty(&asoc->outqueue)) {
                disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
-                                                           arg, commands);
+                                                           NULL, commands);
        }
 
        return disposition;
index c8c47fc..8c47ded 100644 (file)
@@ -1712,6 +1712,7 @@ exit:
        case -EBUSY:
                this_cpu_inc(stats->stat[STAT_ASYNC]);
                *skb = NULL;
+               tipc_aead_put(aead);
                return rc;
        default:
                this_cpu_inc(stats->stat[STAT_NOK]);
index 10292c9..803a3a6 100644 (file)
@@ -2038,6 +2038,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
                n = tipc_node_find_by_id(net, ehdr->id);
        }
        tipc_crypto_rcv(net, (n) ? n->crypto_rx : NULL, &skb, b);
+       tipc_node_put(n);
        if (!skb)
                return;
 
@@ -2090,7 +2091,7 @@ rcv:
        /* Check/update node state before receiving */
        if (unlikely(skb)) {
                if (unlikely(skb_linearize(skb)))
-                       goto discard;
+                       goto out_node_put;
                tipc_node_write_lock(n);
                if (tipc_node_check_state(n, skb, bearer_id, &xmitq)) {
                        if (le->link) {
@@ -2119,6 +2120,7 @@ rcv:
        if (!skb_queue_empty(&xmitq))
                tipc_bearer_xmit(net, bearer_id, &xmitq, &le->maddr, n);
 
+out_node_put:
        tipc_node_put(n);
 discard:
        kfree_skb(skb);
index 00e7823..25bf72e 100644 (file)
@@ -115,8 +115,10 @@ int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,
                goto drop;
        }
 
-       if (!pskb_may_pull(skb, 1))
+       if (!pskb_may_pull(skb, 1)) {
+               x25_neigh_put(nb);
                return 0;
+       }
 
        switch (skb->data[0]) {
 
index 0fe0d58..e177384 100644 (file)
@@ -479,6 +479,7 @@ static int do_unregister(int argc, char **argv)
 
 static int do_register(int argc, char **argv)
 {
+       struct bpf_object_load_attr load_attr = {};
        const struct bpf_map_def *def;
        struct bpf_map_info info = {};
        __u32 info_len = sizeof(info);
@@ -499,7 +500,12 @@ static int do_register(int argc, char **argv)
 
        set_max_rlimit();
 
-       if (bpf_object__load(obj)) {
+       load_attr.obj = obj;
+       if (verifier_logs)
+               /* log_level1 + log_level2 + stats, but not stable UAPI */
+               load_attr.log_level = 1 + 2 + 4;
+
+       if (bpf_object__load_xattr(&load_attr)) {
                bpf_object__close(obj);
                return -1;
        }
index 39edd68..8a6f82e 100644 (file)
@@ -8,7 +8,7 @@ BPFTOOL ?= $(DEFAULT_BPFTOOL)
 LIBBPF_SRC := $(abspath ../../lib/bpf)
 BPFOBJ := $(OUTPUT)/libbpf.a
 BPF_INCLUDE := $(OUTPUT)
-INCLUDES := -I$(BPF_INCLUDE) -I$(OUTPUT) -I$(abspath ../../lib)
+INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../lib)
 CFLAGS := -g -Wall
 
 # Try to detect best kernel BTF source
index 2e29a67..7bbf1b6 100644 (file)
@@ -1642,7 +1642,7 @@ union bpf_attr {
  *             ifindex, but doesn't require a map to do so.
  *     Return
  *             **XDP_REDIRECT** on success, or the value of the two lower bits
- *             of the **flags* argument on error.
+ *             of the *flags* argument on error.
  *
  * int bpf_sk_redirect_map(struct sk_buff *skb, struct bpf_map *map, u32 key, u64 flags)
  *     Description
index 0b709fd..312f887 100644 (file)
@@ -321,6 +321,8 @@ int bpf_get_link_xdp_info(int ifindex, struct xdp_link_info *info,
 
 static __u32 get_xdp_id(struct xdp_link_info *info, __u32 flags)
 {
+       flags &= XDP_FLAGS_MODES;
+
        if (info->attach_mode != XDP_ATTACHED_MULTI && !flags)
                return info->prog_id;
        if (flags & XDP_FLAGS_DRV_MODE)
index cde463a..c264251 100644 (file)
@@ -5,7 +5,8 @@
 static void test_fexit_bpf2bpf_common(const char *obj_file,
                                      const char *target_obj_file,
                                      int prog_cnt,
-                                     const char **prog_name)
+                                     const char **prog_name,
+                                     bool run_prog)
 {
        struct bpf_object *obj = NULL, *pkt_obj;
        int err, pkt_fd, i;
@@ -18,7 +19,8 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
 
        err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC,
                            &pkt_obj, &pkt_fd);
-       if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno))
+       if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n",
+                 target_obj_file, err, errno))
                return;
        DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts,
                            .attach_prog_fd = pkt_fd,
@@ -33,7 +35,7 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
 
        obj = bpf_object__open_file(obj_file, &opts);
        if (CHECK(IS_ERR_OR_NULL(obj), "obj_open",
-                 "failed to open fexit_bpf2bpf: %ld\n",
+                 "failed to open %s: %ld\n", obj_file,
                  PTR_ERR(obj)))
                goto close_prog;
 
@@ -49,6 +51,10 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
                if (CHECK(IS_ERR(link[i]), "attach_trace", "failed to link\n"))
                        goto close_prog;
        }
+
+       if (!run_prog)
+               goto close_prog;
+
        data_map = bpf_object__find_map_by_name(obj, "fexit_bp.bss");
        if (CHECK(!data_map, "find_data_map", "data map not found\n"))
                goto close_prog;
@@ -89,7 +95,7 @@ static void test_target_no_callees(void)
        test_fexit_bpf2bpf_common("./fexit_bpf2bpf_simple.o",
                                  "./test_pkt_md_access.o",
                                  ARRAY_SIZE(prog_name),
-                                 prog_name);
+                                 prog_name, true);
 }
 
 static void test_target_yes_callees(void)
@@ -103,7 +109,7 @@ static void test_target_yes_callees(void)
        test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o",
                                  "./test_pkt_access.o",
                                  ARRAY_SIZE(prog_name),
-                                 prog_name);
+                                 prog_name, true);
 }
 
 static void test_func_replace(void)
@@ -120,7 +126,18 @@ static void test_func_replace(void)
        test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o",
                                  "./test_pkt_access.o",
                                  ARRAY_SIZE(prog_name),
-                                 prog_name);
+                                 prog_name, true);
+}
+
+static void test_func_replace_verify(void)
+{
+       const char *prog_name[] = {
+               "freplace/do_bind",
+       };
+       test_fexit_bpf2bpf_common("./freplace_connect4.o",
+                                 "./connect4_prog.o",
+                                 ARRAY_SIZE(prog_name),
+                                 prog_name, false);
 }
 
 void test_fexit_bpf2bpf(void)
@@ -128,4 +145,5 @@ void test_fexit_bpf2bpf(void)
        test_target_no_callees();
        test_target_yes_callees();
        test_func_replace();
+       test_func_replace_verify();
 }
index 7508511..ad3c498 100644 (file)
 
 int _version SEC("version") = 1;
 
+__attribute__ ((noinline))
+int do_bind(struct bpf_sock_addr *ctx)
+{
+       struct sockaddr_in sa = {};
+
+       sa.sin_family = AF_INET;
+       sa.sin_port = bpf_htons(0);
+       sa.sin_addr.s_addr = bpf_htonl(SRC_REWRITE_IP4);
+
+       if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+               return 0;
+
+       return 1;
+}
+
 SEC("cgroup/connect4")
 int connect_v4_prog(struct bpf_sock_addr *ctx)
 {
        struct bpf_sock_tuple tuple = {};
-       struct sockaddr_in sa;
        struct bpf_sock *sk;
 
        /* Verify that new destination is available. */
@@ -56,17 +70,7 @@ int connect_v4_prog(struct bpf_sock_addr *ctx)
        ctx->user_ip4 = bpf_htonl(DST_REWRITE_IP4);
        ctx->user_port = bpf_htons(DST_REWRITE_PORT4);
 
-       /* Rewrite source. */
-       memset(&sa, 0, sizeof(sa));
-
-       sa.sin_family = AF_INET;
-       sa.sin_port = bpf_htons(0);
-       sa.sin_addr.s_addr = bpf_htonl(SRC_REWRITE_IP4);
-
-       if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
-               return 0;
-
-       return 1;
+       return do_bind(ctx) ? 1 : 0;
 }
 
 char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_connect4.c b/tools/testing/selftests/bpf/progs/freplace_connect4.c
new file mode 100644 (file)
index 0000000..a0ae842
--- /dev/null
@@ -0,0 +1,18 @@
+#include <linux/stddef.h>
+#include <linux/ipv6.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("freplace/do_bind")
+int new_do_bind(struct bpf_sock_addr *ctx)
+{
+  struct sockaddr_in sa = {};
+
+  bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa));
+  return 0;
+}
+
+char _license[] SEC("license") = "GPL";
index 88b0566..31538c9 100644 (file)
@@ -20,20 +20,12 @@ struct bpf_map_def SEC("maps") btf_map = {
 
 BPF_ANNOTATE_KV_PAIR(btf_map, int, struct ipv_counts);
 
-struct dummy_tracepoint_args {
-       unsigned long long pad;
-       struct sock *sock;
-};
-
 __attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
 {
        struct ipv_counts *counts;
        int key = 0;
 
-       if (!arg->sock)
-               return 0;
-
        counts = bpf_map_lookup_elem(&btf_map, &key);
        if (!counts)
                return 0;
@@ -44,15 +36,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
 }
 
 __attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
 {
-       return test_long_fname_2(arg);
+       return test_long_fname_2();
 }
 
 SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
 {
-       return test_long_fname_1(arg);
+       return test_long_fname_1();
 }
 
 char _license[] SEC("license") = "GPL";
index a924e53..6c55601 100644 (file)
@@ -28,20 +28,12 @@ struct {
        __type(value, struct ipv_counts);
 } btf_map SEC(".maps");
 
-struct dummy_tracepoint_args {
-       unsigned long long pad;
-       struct sock *sock;
-};
-
 __attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
 {
        struct ipv_counts *counts;
        int key = 0;
 
-       if (!arg->sock)
-               return 0;
-
        counts = bpf_map_lookup_elem(&btf_map, &key);
        if (!counts)
                return 0;
@@ -57,15 +49,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
 }
 
 __attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
 {
-       return test_long_fname_2(arg);
+       return test_long_fname_2();
 }
 
 SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
 {
-       return test_long_fname_1(arg);
+       return test_long_fname_1();
 }
 
 char _license[] SEC("license") = "GPL";
index 983aedd..506da7f 100644 (file)
@@ -17,20 +17,12 @@ struct bpf_map_def SEC("maps") btf_map = {
        .max_entries = 4,
 };
 
-struct dummy_tracepoint_args {
-       unsigned long long pad;
-       struct sock *sock;
-};
-
 __attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
 {
        struct ipv_counts *counts;
        int key = 0;
 
-       if (!arg->sock)
-               return 0;
-
        counts = bpf_map_lookup_elem(&btf_map, &key);
        if (!counts)
                return 0;
@@ -41,15 +33,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
 }
 
 __attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
 {
-       return test_long_fname_2(arg);
+       return test_long_fname_2();
 }
 
 SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
 {
-       return test_long_fname_1(arg);
+       return test_long_fname_1();
 }
 
 char _license[] SEC("license") = "GPL";
index 8da77cd..305fae8 100644 (file)
@@ -2854,7 +2854,7 @@ static struct btf_raw_test raw_tests[] = {
        .value_type_id = 1,
        .max_entries = 4,
        .btf_load_err = true,
-       .err_str = "vlen != 0",
+       .err_str = "Invalid func linkage",
 },
 
 {
index 7276620..8bfeb77 100644 (file)
        },
        .result = ACCEPT,
 },
+{
+       "store PTR_TO_STACK in R10 to array map using BPF_B",
+       .insns = {
+       /* Load pointer to map. */
+       BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+       BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+       BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+       BPF_LD_MAP_FD(BPF_REG_1, 0),
+       BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+       BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+       BPF_MOV64_IMM(BPF_REG_0, 2),
+       BPF_EXIT_INSN(),
+       BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+       /* Copy R10 to R9. */
+       BPF_MOV64_REG(BPF_REG_9, BPF_REG_10),
+       /* Pollute other registers with unaligned values. */
+       BPF_MOV64_IMM(BPF_REG_2, -1),
+       BPF_MOV64_IMM(BPF_REG_3, -1),
+       BPF_MOV64_IMM(BPF_REG_4, -1),
+       BPF_MOV64_IMM(BPF_REG_5, -1),
+       BPF_MOV64_IMM(BPF_REG_6, -1),
+       BPF_MOV64_IMM(BPF_REG_7, -1),
+       BPF_MOV64_IMM(BPF_REG_8, -1),
+       /* Store both R9 and R10 with BPF_B and read back. */
+       BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, 0),
+       BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_1, 0),
+       BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_9, 0),
+       BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_1, 0),
+       /* Should read back as same value. */
+       BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_3, 2),
+       BPF_MOV64_IMM(BPF_REG_0, 1),
+       BPF_EXIT_INSN(),
+       BPF_MOV64_IMM(BPF_REG_0, 42),
+       BPF_EXIT_INSN(),
+       },
+       .fixup_map_array_48b = { 3 },
+       .result = ACCEPT,
+       .retval = 42,
+       .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
index 7f6c232..ed1c2ce 100644 (file)
@@ -88,6 +88,7 @@
        BPF_EXIT_INSN(),
        },
        .fixup_map_hash_48b = { 3 },
+       .errstr_unpriv = "leaking pointer from stack off -8",
        .errstr = "R0 invalid mem access 'inv'",
        .result = REJECT,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
index 796670e..6560ed7 100755 (executable)
@@ -749,6 +749,29 @@ ipv4_fcnal_runtime()
        run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
        log_test $? 0 "Ping - multipath"
 
+       run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
+
+       #
+       # multiple default routes
+       # - tests fib_select_default
+       run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
+       run_cmd "$IP ro add default nhid 501"
+       run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
+       run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+       log_test $? 0 "Ping - multiple default routes, nh first"
+
+       # flip the order
+       run_cmd "$IP ro del default nhid 501"
+       run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20"
+       run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
+       run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
+       run_cmd "$IP ro add default nhid 501 metric 20"
+       run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+       log_test $? 0 "Ping - multiple default routes, nh second"
+
+       run_cmd "$IP nexthop delete nhid 501"
+       run_cmd "$IP ro del default"
+
        #
        # IPv4 with blackhole nexthops
        #
index b761670..84205c3 100755 (executable)
@@ -618,16 +618,22 @@ fib_nexthop_test()
 
 fib_suppress_test()
 {
+       echo
+       echo "FIB rule with suppress_prefixlength"
+       setup
+
        $IP link add dummy1 type dummy
        $IP link set dummy1 up
        $IP -6 route add default dev dummy1
        $IP -6 rule add table main suppress_prefixlength 0
-       ping -f -c 1000 -W 1 1234::1 || true
+       ping -f -c 1000 -W 1 1234::1 >/dev/null 2>&1
        $IP -6 rule del table main suppress_prefixlength 0
        $IP link del dummy1
 
        # If we got here without crashing, we're good.
-       return 0
+       log_test 0 0 "FIB rule suppress test"
+
+       cleanup
 }
 
 ################################################################################