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path: root/drivers/net/bnx2x/bnx2x_dcb.c
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Diffstat (limited to 'drivers/net/bnx2x/bnx2x_dcb.c')
-rw-r--r--drivers/net/bnx2x/bnx2x_dcb.c202
1 files changed, 150 insertions, 52 deletions
diff --git a/drivers/net/bnx2x/bnx2x_dcb.c b/drivers/net/bnx2x/bnx2x_dcb.c
index 9a24d79c71d9..410a49e571ac 100644
--- a/drivers/net/bnx2x/bnx2x_dcb.c
+++ b/drivers/net/bnx2x/bnx2x_dcb.c
@@ -1,6 +1,6 @@
/* bnx2x_dcb.c: Broadcom Everest network driver.
*
- * Copyright 2009-2010 Broadcom Corporation
+ * Copyright 2009-2011 Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
@@ -485,6 +485,36 @@ static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp)
}
}
+#ifdef BCM_DCBNL
+static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp)
+{
+ struct lldp_remote_mib remote_mib = {0};
+ u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset);
+ int rc;
+
+ DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n",
+ dcbx_remote_mib_offset);
+
+ if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) {
+ BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n");
+ return -EINVAL;
+ }
+
+ rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset,
+ DCBX_READ_REMOTE_MIB);
+
+ if (rc) {
+ BNX2X_ERR("Faild to read remote mib from FW\n");
+ return rc;
+ }
+
+ /* save features and flags */
+ bp->dcbx_remote_feat = remote_mib.features;
+ bp->dcbx_remote_flags = remote_mib.flags;
+ return 0;
+}
+#endif
+
static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp)
{
struct lldp_local_mib local_mib = {0};
@@ -571,6 +601,28 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
{
switch (state) {
case BNX2X_DCBX_STATE_NEG_RECEIVED:
+#ifdef BCM_CNIC
+ if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) {
+ struct cnic_ops *c_ops;
+ struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+ bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
+ cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
+ cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
+
+ rcu_read_lock();
+ c_ops = rcu_dereference(bp->cnic_ops);
+ if (c_ops) {
+ bnx2x_cnic_notify(bp, CNIC_CTL_STOP_ISCSI_CMD);
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+ }
+
+ /* fall through if no CNIC initialized */
+ case BNX2X_DCBX_STATE_ISCSI_STOPPED:
+#endif
+
{
DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n");
#ifdef BCM_DCBNL
@@ -579,6 +631,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
* negotiation results
*/
bnx2x_dcbnl_update_applist(bp, true);
+
+ /* Read rmeote mib if dcbx is in the FW */
+ if (bnx2x_dcbx_read_shmem_remote_mib(bp))
+ return;
#endif
/* Read neg results if dcbx is in the FW */
if (bnx2x_dcbx_read_shmem_neg_results(bp))
@@ -1057,12 +1113,6 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
}
}
-
-/*******************************************************************************
- * Description: single priority group
- *
- * Return:
- ******************************************************************************/
static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp,
struct cos_help_data *cos_data,
u32 pri_join_mask)
@@ -1075,11 +1125,6 @@ static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp,
cos_data->num_of_cos = 1;
}
-/*******************************************************************************
- * Description: updating the cos bw
- *
- * Return:
- ******************************************************************************/
static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp,
struct cos_entry_help_data *data,
u8 pg_bw)
@@ -1090,11 +1135,6 @@ static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp,
data->cos_bw += pg_bw;
}
-/*******************************************************************************
- * Description: single priority group
- *
- * Return:
- ******************************************************************************/
static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
struct cos_help_data *cos_data,
u32 *pg_pri_orginal_spread,
@@ -1347,11 +1387,6 @@ static void bnx2x_dcbx_two_pg_to_cos_params(
}
}
-/*******************************************************************************
- * Description: Still
- *
- * Return:
- ******************************************************************************/
static void bnx2x_dcbx_three_pg_to_cos_params(
struct bnx2x *bp,
struct pg_help_data *pg_help_data,
@@ -1539,11 +1574,6 @@ static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
}
}
-/*******************************************************************************
- * Description: Fill pfc_config struct that will be sent in DCBX start ramrod
- *
- * Return:
- ******************************************************************************/
static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp)
{
struct flow_control_configuration *pfc_fw_cfg = NULL;
@@ -2035,7 +2065,6 @@ static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state)
return 0;
}
-
static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
u8 *flags)
{
@@ -2115,31 +2144,100 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,
return rval;
}
+static int bnx2x_peer_appinfo(struct net_device *netdev,
+ struct dcb_peer_app_info *info, u16* app_count)
+{
+ int i;
+ struct bnx2x *bp = netdev_priv(netdev);
+
+ DP(NETIF_MSG_LINK, "APP-INFO\n");
+
+ info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0;
+ info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0;
+ *app_count = 0;
+
+ for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
+ if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield &
+ DCBX_APP_ENTRY_VALID)
+ (*app_count)++;
+ return 0;
+}
+
+static int bnx2x_peer_apptable(struct net_device *netdev,
+ struct dcb_app *table)
+{
+ int i, j;
+ struct bnx2x *bp = netdev_priv(netdev);
+
+ DP(NETIF_MSG_LINK, "APP-TABLE\n");
+
+ for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
+ struct dcbx_app_priority_entry *ent =
+ &bp->dcbx_remote_feat.app.app_pri_tbl[i];
+
+ if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
+ table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
+ table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent);
+ table[j++].protocol = ent->app_id;
+ }
+ }
+ return 0;
+}
+
+static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg)
+{
+ int i;
+ struct bnx2x *bp = netdev_priv(netdev);
+
+ pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0;
+
+ for (i = 0; i < CEE_DCBX_MAX_PGS; i++) {
+ pg->pg_bw[i] =
+ DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i);
+ pg->prio_pg[i] =
+ DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i);
+ }
+ return 0;
+}
+
+static int bnx2x_cee_peer_getpfc(struct net_device *netdev,
+ struct cee_pfc *pfc)
+{
+ struct bnx2x *bp = netdev_priv(netdev);
+ pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps;
+ pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap;
+ return 0;
+}
+
const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = {
- .getstate = bnx2x_dcbnl_get_state,
- .setstate = bnx2x_dcbnl_set_state,
- .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
- .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
- .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
- .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
- .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
- .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
- .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
- .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
- .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
- .setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
- .getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
- .setall = bnx2x_dcbnl_set_all,
- .getcap = bnx2x_dcbnl_get_cap,
- .getnumtcs = bnx2x_dcbnl_get_numtcs,
- .setnumtcs = bnx2x_dcbnl_set_numtcs,
- .getpfcstate = bnx2x_dcbnl_get_pfc_state,
- .setpfcstate = bnx2x_dcbnl_set_pfc_state,
- .setapp = bnx2x_dcbnl_set_app_up,
- .getdcbx = bnx2x_dcbnl_get_dcbx,
- .setdcbx = bnx2x_dcbnl_set_dcbx,
- .getfeatcfg = bnx2x_dcbnl_get_featcfg,
- .setfeatcfg = bnx2x_dcbnl_set_featcfg,
+ .getstate = bnx2x_dcbnl_get_state,
+ .setstate = bnx2x_dcbnl_set_state,
+ .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
+ .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
+ .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
+ .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
+ .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
+ .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
+ .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
+ .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
+ .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
+ .setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
+ .getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
+ .setall = bnx2x_dcbnl_set_all,
+ .getcap = bnx2x_dcbnl_get_cap,
+ .getnumtcs = bnx2x_dcbnl_get_numtcs,
+ .setnumtcs = bnx2x_dcbnl_set_numtcs,
+ .getpfcstate = bnx2x_dcbnl_get_pfc_state,
+ .setpfcstate = bnx2x_dcbnl_set_pfc_state,
+ .setapp = bnx2x_dcbnl_set_app_up,
+ .getdcbx = bnx2x_dcbnl_get_dcbx,
+ .setdcbx = bnx2x_dcbnl_set_dcbx,
+ .getfeatcfg = bnx2x_dcbnl_get_featcfg,
+ .setfeatcfg = bnx2x_dcbnl_set_featcfg,
+ .peer_getappinfo = bnx2x_peer_appinfo,
+ .peer_getapptable = bnx2x_peer_apptable,
+ .cee_peer_getpg = bnx2x_cee_peer_getpg,
+ .cee_peer_getpfc = bnx2x_cee_peer_getpfc,
};
#endif /* BCM_DCBNL */
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