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Message-ID: <1496040794-6163-6-git-send-email-Yuval.Mintz@cavium.com>
Date: Mon, 29 May 2017 09:53:09 +0300
From: Yuval Mintz <Yuval.Mintz@...ium.com>
To: <davem@...emloft.net>, <netdev@...r.kernel.org>
CC: Yuval Mintz <Yuval.Mintz@...ium.com>
Subject: [PATCH v2 net-next 05/10] 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@...ium.com>
---
drivers/net/ethernet/qlogic/qed/qed_hsi.h | 4 +++-
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 26 +++++++++++++++++++++++
drivers/net/ethernet/qlogic/qed/qed_reg_addr.h | 2 ++
drivers/net/ethernet/qlogic/qed/qed_sp.h | 9 ++++++++
drivers/net/ethernet/qlogic/qed/qed_sp_commands.c | 24 +++++++++++++++++++++
5 files changed, 64 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index f610e52..24b1458 100644
--- 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
--- 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)
¶m);
}
+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, ¶m);
+}
+
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
--- 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
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -418,6 +418,15 @@ 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
*
* This ramrod is sent to close a Physical Function (PF). It is the last 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
--- 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);
+}
--
1.9.3
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