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Date: Wed, 17 Sep 2014 16:24:37 +0300
From: Yuval Mintz <Yuval.Mintz@...gic.com>
To: <davem@...emloft.net>, <netdev@...r.kernel.org>
CC: <Ariel.Elior@...gic.com>, Yuval Mintz <Yuval.Mintz@...gic.com>,
Dmitry Kravkov <Dmitry.Kravkov@...gic.com>
Subject: [PATCH net-next 2/3] bnx2x: New multi-function mode: UFP
Add support for a new multi-function mode based on the Unified Fabric Port
system specifications.
Support includes configuration of:
1. Outer vlan tags.
2. Bandwidth settings.
3. Virtual link enable/disable.
Signed-off-by: Yuval Mintz <Yuval.Mintz@...gic.com>
Signed-off-by: Dmitry Kravkov <Dmitry.Kravkov@...gic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@...gic.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 8 ++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 6 ++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h | 11 ++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 129 ++++++++++++++++++++---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 41 ++++++-
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h | 23 ++++
6 files changed, 200 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 7ecb61f..10291df 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1448,6 +1448,11 @@ struct bnx2x_fp_stats {
struct bnx2x_eth_q_stats_old eth_q_stats_old;
};
+enum {
+ SUB_MF_MODE_UNKNOWN = 0,
+ SUB_MF_MODE_UFP,
+};
+
struct bnx2x {
/* Fields used in the tx and intr/napi performance paths
* are grouped together in the beginning of the structure
@@ -1659,6 +1664,9 @@ struct bnx2x {
#define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
#define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
#define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
+ u8 mf_sub_mode;
+#define IS_MF_UFP(bp) (IS_MF_SD(bp) && \
+ bp->mf_sub_mode == SUB_MF_MODE_UFP)
u8 wol;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 0102775..adcacda 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -936,6 +936,12 @@ static inline int bnx2x_func_start(struct bnx2x *bp)
start_params->gre_tunnel_type = IPGRE_TUNNEL;
start_params->inner_gre_rss_en = 1;
+ if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
+ start_params->class_fail_ethtype = ETH_P_FIP;
+ start_params->class_fail = 1;
+ start_params->no_added_tags = 1;
+ }
+
return bnx2x_func_state_change(bp, &func_params);
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
index 3e0621a..3295863 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
@@ -859,6 +859,7 @@ struct shared_feat_cfg { /* NVRAM Offset */
#define SHARED_FEAT_CFG_FORCE_SF_MODE_SPIO4 0x00000200
#define SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT 0x00000300
#define SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE 0x00000400
+ #define SHARED_FEAT_CFG_FORCE_SF_MODE_UFP_MODE 0x00000600
/* The interval in seconds between sending LLDP packets. Set to zero
to disable the feature */
@@ -1268,6 +1269,10 @@ struct drv_func_mb {
#define DRV_MSG_CODE_GET_UPGRADE_KEY 0x81000000
#define DRV_MSG_CODE_GET_MANUF_KEY 0x82000000
#define DRV_MSG_CODE_LOAD_L2B_PRAM 0x90000000
+ #define DRV_MSG_CODE_OEM_OK 0x00010000
+ #define DRV_MSG_CODE_OEM_FAILURE 0x00020000
+ #define DRV_MSG_CODE_OEM_UPDATE_SVID_OK 0x00030000
+ #define DRV_MSG_CODE_OEM_UPDATE_SVID_FAILURE 0x00040000
/*
* The optic module verification command requires bootcode
* v5.0.6 or later, te specific optic module verification command
@@ -1423,6 +1428,12 @@ struct drv_func_mb {
#define DRV_STATUS_SET_MF_BW 0x00000004
#define DRV_STATUS_LINK_EVENT 0x00000008
+ #define DRV_STATUS_OEM_EVENT_MASK 0x00000070
+ #define DRV_STATUS_OEM_DISABLE_ENABLE_PF 0x00000010
+ #define DRV_STATUS_OEM_BANDWIDTH_ALLOCATION 0x00000020
+
+ #define DRV_STATUS_OEM_UPDATE_SVID 0x00000080
+
#define DRV_STATUS_DCC_EVENT_MASK 0x0000ff00
#define DRV_STATUS_DCC_DISABLE_ENABLE_PF 0x00000100
#define DRV_STATUS_DCC_BANDWIDTH_ALLOCATION 0x00000200
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 82ea6b6..da6c5bb 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2905,6 +2905,57 @@ static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
}
}
+static void bnx2x_handle_update_svid_cmd(struct bnx2x *bp)
+{
+ struct bnx2x_func_switch_update_params *switch_update_params;
+ struct bnx2x_func_state_params func_params;
+
+ memset(&func_params, 0, sizeof(struct bnx2x_func_state_params));
+ switch_update_params = &func_params.params.switch_update;
+ func_params.f_obj = &bp->func_obj;
+ func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
+
+ if (IS_MF_UFP(bp)) {
+ int func = BP_ABS_FUNC(bp);
+ u32 val;
+
+ /* Re-learn the S-tag from shmem */
+ val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
+ FUNC_MF_CFG_E1HOV_TAG_MASK;
+ if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
+ bp->mf_ov = val;
+ } else {
+ BNX2X_ERR("Got an SVID event, but no tag is configured in shmem\n");
+ goto fail;
+ }
+
+ /* Configure new S-tag in LLH */
+ REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + BP_PORT(bp) * 8,
+ bp->mf_ov);
+
+ /* Send Ramrod to update FW of change */
+ __set_bit(BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
+ &switch_update_params->changes);
+ switch_update_params->vlan = bp->mf_ov;
+
+ if (bnx2x_func_state_change(bp, &func_params) < 0) {
+ BNX2X_ERR("Failed to configure FW of S-tag Change to %02x\n",
+ bp->mf_ov);
+ goto fail;
+ }
+
+ DP(BNX2X_MSG_MCP, "Configured S-tag %02x\n", bp->mf_ov);
+
+ bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_OK, 0);
+
+ return;
+ }
+
+ /* not supported by SW yet */
+fail:
+ bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_FAILURE, 0);
+}
+
static void bnx2x_pmf_update(struct bnx2x *bp)
{
int port = BP_PORT(bp);
@@ -3297,7 +3348,8 @@ static void bnx2x_e1h_enable(struct bnx2x *bp)
{
int port = BP_PORT(bp);
- REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
+ if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
+ REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
/* Tx queue should be only re-enabled */
netif_tx_wake_all_queues(bp->dev);
@@ -3652,14 +3704,30 @@ out:
ethver, iscsiver, fcoever);
}
-static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
+static void bnx2x_oem_event(struct bnx2x *bp, u32 event)
{
- DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
+ u32 cmd_ok, cmd_fail;
+
+ /* sanity */
+ if (event & DRV_STATUS_DCC_EVENT_MASK &&
+ event & DRV_STATUS_OEM_EVENT_MASK) {
+ BNX2X_ERR("Received simultaneous events %08x\n", event);
+ return;
+ }
- if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
+ if (event & DRV_STATUS_DCC_EVENT_MASK) {
+ cmd_fail = DRV_MSG_CODE_DCC_FAILURE;
+ cmd_ok = DRV_MSG_CODE_DCC_OK;
+ } else /* if (event & DRV_STATUS_OEM_EVENT_MASK) */ {
+ cmd_fail = DRV_MSG_CODE_OEM_FAILURE;
+ cmd_ok = DRV_MSG_CODE_OEM_OK;
+ }
- /*
- * This is the only place besides the function initialization
+ DP(BNX2X_MSG_MCP, "oem_event 0x%x\n", event);
+
+ if (event & (DRV_STATUS_DCC_DISABLE_ENABLE_PF |
+ DRV_STATUS_OEM_DISABLE_ENABLE_PF)) {
+ /* This is the only place besides the function initialization
* where the bp->flags can change so it is done without any
* locks
*/
@@ -3674,18 +3742,22 @@ static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
bnx2x_e1h_enable(bp);
}
- dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
+ event &= ~(DRV_STATUS_DCC_DISABLE_ENABLE_PF |
+ DRV_STATUS_OEM_DISABLE_ENABLE_PF);
}
- if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
+
+ if (event & (DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
+ DRV_STATUS_OEM_BANDWIDTH_ALLOCATION)) {
bnx2x_config_mf_bw(bp);
- dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
+ event &= ~(DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
+ DRV_STATUS_OEM_BANDWIDTH_ALLOCATION);
}
/* Report results to MCP */
- if (dcc_event)
- bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
+ if (event)
+ bnx2x_fw_command(bp, cmd_fail, 0);
else
- bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
+ bnx2x_fw_command(bp, cmd_ok, 0);
}
/* must be called under the spq lock */
@@ -4167,9 +4239,12 @@ static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
func_mf_config[BP_ABS_FUNC(bp)].config);
val = SHMEM_RD(bp,
func_mb[BP_FW_MB_IDX(bp)].drv_status);
- if (val & DRV_STATUS_DCC_EVENT_MASK)
- bnx2x_dcc_event(bp,
- (val & DRV_STATUS_DCC_EVENT_MASK));
+
+ if (val & (DRV_STATUS_DCC_EVENT_MASK |
+ DRV_STATUS_OEM_EVENT_MASK))
+ bnx2x_oem_event(bp,
+ (val & (DRV_STATUS_DCC_EVENT_MASK |
+ DRV_STATUS_OEM_EVENT_MASK)));
if (val & DRV_STATUS_SET_MF_BW)
bnx2x_set_mf_bw(bp);
@@ -4195,6 +4270,10 @@ static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
val & DRV_STATUS_AFEX_EVENT_MASK);
if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
bnx2x_handle_eee_event(bp);
+
+ if (val & DRV_STATUS_OEM_UPDATE_SVID)
+ bnx2x_handle_update_svid_cmd(bp);
+
if (bp->link_vars.periodic_flags &
PERIODIC_FLAGS_LINK_EVENT) {
/* sync with link */
@@ -7930,8 +8009,11 @@ static int bnx2x_init_hw_func(struct bnx2x *bp)
REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
if (IS_MF(bp)) {
- REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
- REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
+ if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))) {
+ REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
+ REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port * 8,
+ bp->mf_ov);
+ }
}
bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
@@ -11626,6 +11708,7 @@ static int bnx2x_get_hwinfo(struct bnx2x *bp)
bp->mf_ov = 0;
bp->mf_mode = 0;
+ bp->mf_sub_mode = 0;
vn = BP_VN(bp);
if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
@@ -11691,6 +11774,13 @@ static int bnx2x_get_hwinfo(struct bnx2x *bp)
} else
BNX2X_DEV_INFO("illegal OV for SD\n");
break;
+ case SHARED_FEAT_CFG_FORCE_SF_MODE_UFP_MODE:
+ bp->mf_mode = MULTI_FUNCTION_SD;
+ bp->mf_sub_mode = SUB_MF_MODE_UFP;
+ bp->mf_config[vn] =
+ MF_CFG_RD(bp,
+ func_mf_config[func].config);
+ break;
case SHARED_FEAT_CFG_FORCE_SF_MODE_FORCED_SF:
bp->mf_config[vn] = 0;
break;
@@ -11714,6 +11804,11 @@ static int bnx2x_get_hwinfo(struct bnx2x *bp)
BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
func, bp->mf_ov, bp->mf_ov);
+ } else if (bp->mf_sub_mode == SUB_MF_MODE_UFP) {
+ dev_err(&bp->pdev->dev,
+ "Unexpected - no valid MF OV for func %d in UFP mode\n",
+ func);
+ bp->path_has_ovlan = true;
} else {
dev_err(&bp->pdev->dev,
"No valid MF OV for func %d, aborting\n",
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 19d0c11..7bc2924 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -5673,8 +5673,23 @@ static inline int bnx2x_func_send_start(struct bnx2x *bp,
rdata->gre_tunnel_type = start_params->gre_tunnel_type;
rdata->inner_gre_rss_en = start_params->inner_gre_rss_en;
rdata->vxlan_dst_port = cpu_to_le16(4789);
- rdata->sd_vlan_eth_type = cpu_to_le16(0x8100);
+ rdata->sd_accept_mf_clss_fail = start_params->class_fail;
+ if (start_params->class_fail_ethtype) {
+ rdata->sd_accept_mf_clss_fail_match_ethtype = 1;
+ rdata->sd_accept_mf_clss_fail_ethtype =
+ cpu_to_le16(start_params->class_fail_ethtype);
+ }
+
+ rdata->sd_vlan_force_pri_flg = start_params->sd_vlan_force_pri;
+ rdata->sd_vlan_force_pri_val = start_params->sd_vlan_force_pri_val;
+ if (start_params->sd_vlan_eth_type)
+ rdata->sd_vlan_eth_type =
+ cpu_to_le16(start_params->sd_vlan_eth_type);
+ else
+ rdata->sd_vlan_eth_type =
+ cpu_to_le16(0x8100);
+ rdata->no_added_tags = start_params->no_added_tags;
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
@@ -5708,6 +5723,30 @@ static inline int bnx2x_func_send_switch_update(struct bnx2x *bp,
&switch_update_params->changes);
}
+ if (test_bit(BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
+ &switch_update_params->changes)) {
+ rdata->sd_vlan_tag_change_flg = 1;
+ rdata->sd_vlan_tag =
+ cpu_to_le16(switch_update_params->vlan);
+ }
+
+ if (test_bit(BNX2X_F_UPDATE_SD_VLAN_ETH_TYPE_CHNG,
+ &switch_update_params->changes)) {
+ rdata->sd_vlan_eth_type_change_flg = 1;
+ rdata->sd_vlan_eth_type =
+ cpu_to_le16(switch_update_params->vlan_eth_type);
+ }
+
+ if (test_bit(BNX2X_F_UPDATE_VLAN_FORCE_PRIO_CHNG,
+ &switch_update_params->changes)) {
+ rdata->sd_vlan_force_pri_change_flg = 1;
+ if (test_bit(BNX2X_F_UPDATE_VLAN_FORCE_PRIO_FLAG,
+ &switch_update_params->changes))
+ rdata->sd_vlan_force_pri_flg = 1;
+ rdata->sd_vlan_force_pri_flg =
+ switch_update_params->vlan_force_prio;
+ }
+
if (test_bit(BNX2X_F_UPDATE_TUNNEL_CFG_CHNG,
&switch_update_params->changes)) {
rdata->update_tunn_cfg_flg = 1;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
index 21c8f6f..e97275f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
@@ -1098,6 +1098,10 @@ struct bnx2x_queue_sp_obj {
enum {
BNX2X_F_UPDATE_TX_SWITCH_SUSPEND_CHNG,
BNX2X_F_UPDATE_TX_SWITCH_SUSPEND,
+ BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
+ BNX2X_F_UPDATE_SD_VLAN_ETH_TYPE_CHNG,
+ BNX2X_F_UPDATE_VLAN_FORCE_PRIO_CHNG,
+ BNX2X_F_UPDATE_VLAN_FORCE_PRIO_FLAG,
BNX2X_F_UPDATE_TUNNEL_CFG_CHNG,
BNX2X_F_UPDATE_TUNNEL_CLSS_EN,
BNX2X_F_UPDATE_TUNNEL_INNER_GRE_RSS_EN,
@@ -1178,10 +1182,29 @@ struct bnx2x_func_start_params {
* capailities
*/
u8 inner_gre_rss_en;
+
+ /* Allows accepting of packets failing MF classification, possibly
+ * only matching a given ethertype
+ */
+ u8 class_fail;
+ u16 class_fail_ethtype;
+
+ /* Override priority of output packets */
+ u8 sd_vlan_force_pri;
+ u8 sd_vlan_force_pri_val;
+
+ /* Replace vlan's ethertype */
+ u16 sd_vlan_eth_type;
+
+ /* Prevent inner vlans from being added by FW */
+ u8 no_added_tags;
};
struct bnx2x_func_switch_update_params {
unsigned long changes; /* BNX2X_F_UPDATE_XX bits */
+ u16 vlan;
+ u16 vlan_eth_type;
+ u8 vlan_force_prio;
u8 tunnel_mode;
u8 gre_tunnel_type;
};
--
1.8.3.1
--
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