bnx2x: add support for retrieving dcb peer configuration
This patch adds support to the bnx2x for retrieving dcb peer (remote) configuration from the embedded DCBX stack. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shmulik Ravid
David S. Miller
parent
60a34277d5
commit
0be6bc62cd
2 changed files with 131 additions and 25 deletions
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@ -1242,6 +1242,10 @@ struct bnx2x {
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/* DCBX Negotiation results */
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struct dcbx_features dcbx_local_feat;
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u32 dcbx_error;
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#ifdef BCM_DCBNL
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struct dcbx_features dcbx_remote_feat;
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u32 dcbx_remote_flags;
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#endif
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u32 pending_max;
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};
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@ -485,6 +485,36 @@ static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp)
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}
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}
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#ifdef BCM_DCBNL
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static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp)
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{
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struct lldp_remote_mib remote_mib = {0};
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u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset);
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int rc;
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DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n",
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dcbx_remote_mib_offset);
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if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) {
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BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n");
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return -EINVAL;
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}
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rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset,
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DCBX_READ_REMOTE_MIB);
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if (rc) {
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BNX2X_ERR("Faild to read remote mib from FW\n");
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return rc;
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}
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/* save features and flags */
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bp->dcbx_remote_feat = remote_mib.features;
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bp->dcbx_remote_flags = remote_mib.flags;
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return 0;
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}
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#endif
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static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp)
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{
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struct lldp_local_mib local_mib = {0};
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@ -601,6 +631,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
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* negotiation results
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*/
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bnx2x_dcbnl_update_applist(bp, true);
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/* Read rmeote mib if dcbx is in the FW */
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if (bnx2x_dcbx_read_shmem_remote_mib(bp))
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return;
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#endif
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/* Read neg results if dcbx is in the FW */
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if (bnx2x_dcbx_read_shmem_neg_results(bp))
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@ -2031,7 +2065,6 @@ static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state)
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return 0;
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}
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static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
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u8 *flags)
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{
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@ -2111,31 +2144,100 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,
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return rval;
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}
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static int bnx2x_peer_appinfo(struct net_device *netdev,
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struct dcb_peer_app_info *info, u16* app_count)
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{
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int i;
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struct bnx2x *bp = netdev_priv(netdev);
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DP(NETIF_MSG_LINK, "APP-INFO\n");
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info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0;
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info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0;
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*app_count = 0;
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for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
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if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield &
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DCBX_APP_ENTRY_VALID)
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(*app_count)++;
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return 0;
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}
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static int bnx2x_peer_apptable(struct net_device *netdev,
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struct dcb_app *table)
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{
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int i, j;
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struct bnx2x *bp = netdev_priv(netdev);
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DP(NETIF_MSG_LINK, "APP-TABLE\n");
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for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
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struct dcbx_app_priority_entry *ent =
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&bp->dcbx_remote_feat.app.app_pri_tbl[i];
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if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
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table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
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table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent);
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table[j++].protocol = ent->app_id;
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}
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}
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return 0;
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}
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static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg)
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{
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int i;
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struct bnx2x *bp = netdev_priv(netdev);
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pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0;
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for (i = 0; i < CEE_DCBX_MAX_PGS; i++) {
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pg->pg_bw[i] =
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DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i);
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pg->prio_pg[i] =
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DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i);
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}
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return 0;
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}
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static int bnx2x_cee_peer_getpfc(struct net_device *netdev,
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struct cee_pfc *pfc)
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{
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struct bnx2x *bp = netdev_priv(netdev);
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pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps;
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pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap;
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return 0;
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}
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const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = {
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.getstate = bnx2x_dcbnl_get_state,
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.setstate = bnx2x_dcbnl_set_state,
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.getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
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.setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
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.setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
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.setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
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.setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
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.getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
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.getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
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.getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
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.getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
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.setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
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.getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
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.setall = bnx2x_dcbnl_set_all,
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.getcap = bnx2x_dcbnl_get_cap,
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.getnumtcs = bnx2x_dcbnl_get_numtcs,
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.setnumtcs = bnx2x_dcbnl_set_numtcs,
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.getpfcstate = bnx2x_dcbnl_get_pfc_state,
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.setpfcstate = bnx2x_dcbnl_set_pfc_state,
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.setapp = bnx2x_dcbnl_set_app_up,
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.getdcbx = bnx2x_dcbnl_get_dcbx,
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.setdcbx = bnx2x_dcbnl_set_dcbx,
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.getfeatcfg = bnx2x_dcbnl_get_featcfg,
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.setfeatcfg = bnx2x_dcbnl_set_featcfg,
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.getstate = bnx2x_dcbnl_get_state,
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.setstate = bnx2x_dcbnl_set_state,
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.getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
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.setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
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.setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
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.setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
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.setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
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.getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
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.getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
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.getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
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.getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
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.setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
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.getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
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.setall = bnx2x_dcbnl_set_all,
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.getcap = bnx2x_dcbnl_get_cap,
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.getnumtcs = bnx2x_dcbnl_get_numtcs,
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.setnumtcs = bnx2x_dcbnl_set_numtcs,
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.getpfcstate = bnx2x_dcbnl_get_pfc_state,
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.setpfcstate = bnx2x_dcbnl_set_pfc_state,
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.setapp = bnx2x_dcbnl_set_app_up,
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.getdcbx = bnx2x_dcbnl_get_dcbx,
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.setdcbx = bnx2x_dcbnl_set_dcbx,
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.getfeatcfg = bnx2x_dcbnl_get_featcfg,
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.setfeatcfg = bnx2x_dcbnl_set_featcfg,
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.peer_getappinfo = bnx2x_peer_appinfo,
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.peer_getapptable = bnx2x_peer_apptable,
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.cee_peer_getpg = bnx2x_cee_peer_getpg,
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.cee_peer_getpfc = bnx2x_cee_peer_getpfc,
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};
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#endif /* BCM_DCBNL */
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