Merge remote-tracking branch 'torvalds/master' into perf/core
[linux-2.6-microblaze.git] / drivers / net / ethernet / broadcom / bnxt / bnxt.c
index 2985844..aef3fcc 100644 (file)
@@ -282,7 +282,8 @@ static bool bnxt_vf_pciid(enum board_idx idx)
 {
        return (idx == NETXTREME_C_VF || idx == NETXTREME_E_VF ||
                idx == NETXTREME_S_VF || idx == NETXTREME_C_VF_HV ||
-               idx == NETXTREME_E_VF_HV || idx == NETXTREME_E_P5_VF);
+               idx == NETXTREME_E_VF_HV || idx == NETXTREME_E_P5_VF ||
+               idx == NETXTREME_E_P5_VF_HV);
 }
 
 #define DB_CP_REARM_FLAGS      (DB_KEY_CP | DB_IDX_VALID)
@@ -6932,17 +6933,10 @@ ctx_err:
 static void bnxt_hwrm_set_pg_attr(struct bnxt_ring_mem_info *rmem, u8 *pg_attr,
                                  __le64 *pg_dir)
 {
-       u8 pg_size = 0;
-
        if (!rmem->nr_pages)
                return;
 
-       if (BNXT_PAGE_SHIFT == 13)
-               pg_size = 1 << 4;
-       else if (BNXT_PAGE_SIZE == 16)
-               pg_size = 2 << 4;
-
-       *pg_attr = pg_size;
+       BNXT_SET_CTX_PAGE_ATTR(*pg_attr);
        if (rmem->depth >= 1) {
                if (rmem->depth == 2)
                        *pg_attr |= 2;
@@ -7314,7 +7308,7 @@ skip_rdma:
        entries_sp = ctx->vnic_max_vnic_entries + ctx->qp_max_l2_entries +
                     2 * (extra_qps + ctx->qp_min_qp1_entries) + min;
        entries_sp = roundup(entries_sp, ctx->tqm_entries_multiple);
-       entries = ctx->qp_max_l2_entries + extra_qps + ctx->qp_min_qp1_entries;
+       entries = ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries);
        entries = roundup(entries, ctx->tqm_entries_multiple);
        entries = clamp_t(u32, entries, min, ctx->tqm_max_entries_per_ring);
        for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) {
@@ -10785,37 +10779,125 @@ static int bnxt_set_features(struct net_device *dev, netdev_features_t features)
        return rc;
 }
 
+static bool bnxt_exthdr_check(struct bnxt *bp, struct sk_buff *skb, int nw_off,
+                             u8 **nextp)
+{
+       struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + nw_off);
+       int hdr_count = 0;
+       u8 *nexthdr;
+       int start;
+
+       /* Check that there are at most 2 IPv6 extension headers, no
+        * fragment header, and each is <= 64 bytes.
+        */
+       start = nw_off + sizeof(*ip6h);
+       nexthdr = &ip6h->nexthdr;
+       while (ipv6_ext_hdr(*nexthdr)) {
+               struct ipv6_opt_hdr *hp;
+               int hdrlen;
+
+               if (hdr_count >= 3 || *nexthdr == NEXTHDR_NONE ||
+                   *nexthdr == NEXTHDR_FRAGMENT)
+                       return false;
+               hp = __skb_header_pointer(NULL, start, sizeof(*hp), skb->data,
+                                         skb_headlen(skb), NULL);
+               if (!hp)
+                       return false;
+               if (*nexthdr == NEXTHDR_AUTH)
+                       hdrlen = ipv6_authlen(hp);
+               else
+                       hdrlen = ipv6_optlen(hp);
+
+               if (hdrlen > 64)
+                       return false;
+               nexthdr = &hp->nexthdr;
+               start += hdrlen;
+               hdr_count++;
+       }
+       if (nextp) {
+               /* Caller will check inner protocol */
+               if (skb->encapsulation) {
+                       *nextp = nexthdr;
+                       return true;
+               }
+               *nextp = NULL;
+       }
+       /* Only support TCP/UDP for non-tunneled ipv6 and inner ipv6 */
+       return *nexthdr == IPPROTO_TCP || *nexthdr == IPPROTO_UDP;
+}
+
+/* For UDP, we can only handle 1 Vxlan port and 1 Geneve port. */
+static bool bnxt_udp_tunl_check(struct bnxt *bp, struct sk_buff *skb)
+{
+       struct udphdr *uh = udp_hdr(skb);
+       __be16 udp_port = uh->dest;
+
+       if (udp_port != bp->vxlan_port && udp_port != bp->nge_port)
+               return false;
+       if (skb->inner_protocol_type == ENCAP_TYPE_ETHER) {
+               struct ethhdr *eh = inner_eth_hdr(skb);
+
+               switch (eh->h_proto) {
+               case htons(ETH_P_IP):
+                       return true;
+               case htons(ETH_P_IPV6):
+                       return bnxt_exthdr_check(bp, skb,
+                                                skb_inner_network_offset(skb),
+                                                NULL);
+               }
+       }
+       return false;
+}
+
+static bool bnxt_tunl_check(struct bnxt *bp, struct sk_buff *skb, u8 l4_proto)
+{
+       switch (l4_proto) {
+       case IPPROTO_UDP:
+               return bnxt_udp_tunl_check(bp, skb);
+       case IPPROTO_IPIP:
+               return true;
+       case IPPROTO_GRE: {
+               switch (skb->inner_protocol) {
+               default:
+                       return false;
+               case htons(ETH_P_IP):
+                       return true;
+               case htons(ETH_P_IPV6):
+                       fallthrough;
+               }
+       }
+       case IPPROTO_IPV6:
+               /* Check ext headers of inner ipv6 */
+               return bnxt_exthdr_check(bp, skb, skb_inner_network_offset(skb),
+                                        NULL);
+       }
+       return false;
+}
+
 static netdev_features_t bnxt_features_check(struct sk_buff *skb,
                                             struct net_device *dev,
                                             netdev_features_t features)
 {
-       struct bnxt *bp;
-       __be16 udp_port;
-       u8 l4_proto = 0;
+       struct bnxt *bp = netdev_priv(dev);
+       u8 *l4_proto;
 
        features = vlan_features_check(skb, features);
-       if (!skb->encapsulation)
-               return features;
-
        switch (vlan_get_protocol(skb)) {
        case htons(ETH_P_IP):
-               l4_proto = ip_hdr(skb)->protocol;
+               if (!skb->encapsulation)
+                       return features;
+               l4_proto = &ip_hdr(skb)->protocol;
+               if (bnxt_tunl_check(bp, skb, *l4_proto))
+                       return features;
                break;
        case htons(ETH_P_IPV6):
-               l4_proto = ipv6_hdr(skb)->nexthdr;
+               if (!bnxt_exthdr_check(bp, skb, skb_network_offset(skb),
+                                      &l4_proto))
+                       break;
+               if (!l4_proto || bnxt_tunl_check(bp, skb, *l4_proto))
+                       return features;
                break;
-       default:
-               return features;
        }
-
-       if (l4_proto != IPPROTO_UDP)
-               return features;
-
-       bp = netdev_priv(dev);
-       /* For UDP, we can only handle 1 Vxlan port and 1 Geneve port. */
-       udp_port = udp_hdr(skb)->dest;
-       if (udp_port == bp->vxlan_port || udp_port == bp->nge_port)
-               return features;
        return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 }
 
@@ -11668,6 +11750,8 @@ static void bnxt_fw_init_one_p3(struct bnxt *bp)
        bnxt_hwrm_coal_params_qcaps(bp);
 }
 
+static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt);
+
 static int bnxt_fw_init_one(struct bnxt *bp)
 {
        int rc;
@@ -11682,6 +11766,9 @@ static int bnxt_fw_init_one(struct bnxt *bp)
                netdev_err(bp->dev, "Firmware init phase 2 failed\n");
                return rc;
        }
+       rc = bnxt_probe_phy(bp, false);
+       if (rc)
+               return rc;
        rc = bnxt_approve_mac(bp, bp->dev->dev_addr, false);
        if (rc)
                return rc;
@@ -13073,6 +13160,7 @@ init_err_pci_clean:
        bnxt_hwrm_func_drv_unrgtr(bp);
        bnxt_free_hwrm_short_cmd_req(bp);
        bnxt_free_hwrm_resources(bp);
+       bnxt_ethtool_free(bp);
        kfree(bp->fw_health);
        bp->fw_health = NULL;
        bnxt_cleanup_pci(bp);