qed: Support dynamic s-tag change

In case management firmware indicates a change in the used S-tag,
propagate the configuration to HW and FW.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index f610e52..24b1458 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
@@ -11474,6 +11474,7 @@ struct public_drv_mb {
 
 #define DRV_MSG_CODE_BW_UPDATE_ACK             0x32000000
 #define DRV_MSG_CODE_NIG_DRAIN                 0x30000000
+#define DRV_MSG_CODE_S_TAG_UPDATE_ACK          0x3b000000
 #define DRV_MSG_CODE_INITIATE_PF_FLR            0x02010000
 #define DRV_MSG_CODE_VF_DISABLED_DONE          0xc0000000
 #define DRV_MSG_CODE_CFG_VF_MSIX               0xc0010000
@@ -11634,6 +11635,7 @@ struct public_drv_mb {
 #define FW_MSG_CODE_RESOURCE_ALLOC_OK           0x34000000
 #define FW_MSG_CODE_RESOURCE_ALLOC_UNKNOWN      0x35000000
 #define FW_MSG_CODE_RESOURCE_ALLOC_DEPRECATED   0x36000000
+#define FW_MSG_CODE_S_TAG_UPDATE_ACK_DONE      0x3b000000
 #define FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE       0xb0010000
 
 #define FW_MSG_CODE_NVM_OK                     0x00010000
@@ -11681,7 +11683,7 @@ enum MFW_DRV_MSG_TYPE {
        MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED,
        MFW_DRV_MSG_RESERVED4,
        MFW_DRV_MSG_BW_UPDATE,
-       MFW_DRV_MSG_BW_UPDATE5,
+       MFW_DRV_MSG_S_TAG_UPDATE,
        MFW_DRV_MSG_GET_LAN_STATS,
        MFW_DRV_MSG_GET_FCOE_STATS,
        MFW_DRV_MSG_GET_ISCSI_STATS,

diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 24c9b71..31c88e1 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -1398,6 +1398,28 @@ static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
                    &param);
 }
 
+static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+       struct public_func shmem_info;
+       u32 resp = 0, param = 0;
+
+       qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
+
+       p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
+                                                FUNC_MF_CFG_OV_STAG_MASK;
+       p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
+       if ((p_hwfn->hw_info.hw_mode & BIT(MODE_MF_SD)) &&
+           (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET)) {
+               qed_wr(p_hwfn, p_ptt,
+                      NIG_REG_LLH_FUNC_TAG_VALUE, p_hwfn->hw_info.ovlan);
+               qed_sp_pf_update_stag(p_hwfn);
+       }
+
+       /* Acknowledge the MFW */
+       qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
+                   &resp, &param);
+}
+
 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
                          struct qed_ptt *p_ptt)
 {
@@ -1453,6 +1475,10 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
                case MFW_DRV_MSG_BW_UPDATE:
                        qed_mcp_update_bw(p_hwfn, p_ptt);
                        break;
+               case MFW_DRV_MSG_S_TAG_UPDATE:
+                       qed_mcp_update_stag(p_hwfn, p_ptt);
+                       break;
+                       break;
                default:
                        DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
                        rc = -EINVAL;

diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
index f14772b..6abf918 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
@@ -242,6 +242,8 @@
        0x50196cUL
 #define NIG_REG_LLH_CLS_TYPE_DUALMODE \
        0x501964UL
+#define NIG_REG_LLH_FUNC_TAG_EN 0x5019b0UL
+#define NIG_REG_LLH_FUNC_TAG_VALUE 0x5019d0UL
 #define NIG_REG_LLH_FUNC_FILTER_VALUE \
        0x501a00UL
 #define NIG_REG_LLH_FUNC_FILTER_VALUE_SIZE \

diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h
index ef77de4..b9464f3 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -417,6 +417,15 @@ int qed_sp_pf_start(struct qed_hwfn *p_hwfn,
 
 int qed_sp_pf_update(struct qed_hwfn *p_hwfn);
 
+/**
+ * @brief qed_sp_pf_update_stag - Update firmware of new outer tag
+ *
+ * @param p_hwfn
+ *
+ * @return int
+ */
+int qed_sp_pf_update_stag(struct qed_hwfn *p_hwfn);
+
 /**
  * @brief qed_sp_pf_stop - PF Function Stop Ramrod
  *

diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
index ab09975..46d0c3c 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
@@ -514,3 +514,27 @@ int qed_sp_heartbeat_ramrod(struct qed_hwfn *p_hwfn)
 
        return qed_spq_post(p_hwfn, p_ent, NULL);
 }
+
+int qed_sp_pf_update_stag(struct qed_hwfn *p_hwfn)
+{
+       struct qed_spq_entry *p_ent = NULL;
+       struct qed_sp_init_data init_data;
+       int rc = -EINVAL;
+
+       /* Get SPQ entry */
+       memset(&init_data, 0, sizeof(init_data));
+       init_data.cid = qed_spq_get_cid(p_hwfn);
+       init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+       init_data.comp_mode = QED_SPQ_MODE_CB;
+
+       rc = qed_sp_init_request(p_hwfn, &p_ent,
+                                COMMON_RAMROD_PF_UPDATE, PROTOCOLID_COMMON,
+                                &init_data);
+       if (rc)
+               return rc;
+
+       p_ent->ramrod.pf_update.update_mf_vlan_flag = true;
+       p_ent->ramrod.pf_update.mf_vlan = cpu_to_le16(p_hwfn->hw_info.ovlan);
+
+       return qed_spq_post(p_hwfn, p_ent, NULL);
+}