diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 90 |
1 files changed, 74 insertions, 16 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 022b06e770d1..b0ada7eac652 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -3540,6 +3540,16 @@ static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp) */ static void bnx2x_config_mf_bw(struct bnx2x *bp) { + /* Workaround for MFW bug. + * MFW is not supposed to generate BW attention in + * single function mode. + */ + if (!IS_MF(bp)) { + DP(BNX2X_MSG_MCP, + "Ignoring MF BW config in single function mode\n"); + return; + } + if (bp->link_vars.link_up) { bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX); bnx2x_link_sync_notify(bp); @@ -8488,11 +8498,21 @@ int bnx2x_set_vlan_one(struct bnx2x *bp, u16 vlan, return rc; } +void bnx2x_clear_vlan_info(struct bnx2x *bp) +{ + struct bnx2x_vlan_entry *vlan; + + /* Mark that hw forgot all entries */ + list_for_each_entry(vlan, &bp->vlan_reg, link) + vlan->hw = false; + + bp->vlan_cnt = 0; +} + static int bnx2x_del_all_vlans(struct bnx2x *bp) { struct bnx2x_vlan_mac_obj *vlan_obj = &bp->sp_objs[0].vlan_obj; unsigned long ramrod_flags = 0, vlan_flags = 0; - struct bnx2x_vlan_entry *vlan; int rc; __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); @@ -8501,10 +8521,7 @@ static int bnx2x_del_all_vlans(struct bnx2x *bp) if (rc) return rc; - /* Mark that hw forgot all entries */ - list_for_each_entry(vlan, &bp->vlan_reg, link) - vlan->hw = false; - bp->vlan_cnt = 0; + bnx2x_clear_vlan_info(bp); return 0; } @@ -9978,10 +9995,18 @@ static void bnx2x_recovery_failed(struct bnx2x *bp) */ static void bnx2x_parity_recover(struct bnx2x *bp) { - bool global = false; u32 error_recovered, error_unrecovered; - bool is_parity; + bool is_parity, global = false; +#ifdef CONFIG_BNX2X_SRIOV + int vf_idx; + + for (vf_idx = 0; vf_idx < bp->requested_nr_virtfn; vf_idx++) { + struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); + if (vf) + vf->state = VF_LOST; + } +#endif DP(NETIF_MSG_HW, "Handling parity\n"); while (1) { switch (bp->recovery_state) { @@ -12978,6 +13003,24 @@ static netdev_features_t bnx2x_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { + /* + * A skb with gso_size + header length > 9700 will cause a + * firmware panic. Drop GSO support. + * + * Eventually the upper layer should not pass these packets down. + * + * For speed, if the gso_size is <= 9000, assume there will + * not be 700 bytes of headers and pass it through. Only do a + * full (slow) validation if the gso_size is > 9000. + * + * (Due to the way SKB_BY_FRAGS works this will also do a full + * validation in that case.) + */ + if (unlikely(skb_is_gso(skb) && + (skb_shinfo(skb)->gso_size > 9000) && + !skb_gso_validate_mac_len(skb, 9700))) + features &= ~NETIF_F_GSO_MASK; + features = vlan_features_check(skb, features); return vxlan_features_check(skb, features); } @@ -15246,11 +15289,24 @@ static void bnx2x_ptp_task(struct work_struct *work) u32 val_seq; u64 timestamp, ns; struct skb_shared_hwtstamps shhwtstamps; + bool bail = true; + int i; + + /* FW may take a while to complete timestamping; try a bit and if it's + * still not complete, may indicate an error state - bail out then. + */ + for (i = 0; i < 10; i++) { + /* Read Tx timestamp registers */ + val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID : + NIG_REG_P0_TLLH_PTP_BUF_SEQID); + if (val_seq & 0x10000) { + bail = false; + break; + } + msleep(1 << i); + } - /* Read Tx timestamp registers */ - val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID : - NIG_REG_P0_TLLH_PTP_BUF_SEQID); - if (val_seq & 0x10000) { + if (!bail) { /* There is a valid timestamp value */ timestamp = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_MSB : NIG_REG_P0_TLLH_PTP_BUF_TS_MSB); @@ -15265,16 +15321,18 @@ static void bnx2x_ptp_task(struct work_struct *work) memset(&shhwtstamps, 0, sizeof(shhwtstamps)); shhwtstamps.hwtstamp = ns_to_ktime(ns); skb_tstamp_tx(bp->ptp_tx_skb, &shhwtstamps); - dev_kfree_skb_any(bp->ptp_tx_skb); - bp->ptp_tx_skb = NULL; DP(BNX2X_MSG_PTP, "Tx timestamp, timestamp cycles = %llu, ns = %llu\n", timestamp, ns); } else { - DP(BNX2X_MSG_PTP, "There is no valid Tx timestamp yet\n"); - /* Reschedule to keep checking for a valid timestamp value */ - schedule_work(&bp->ptp_task); + DP(BNX2X_MSG_PTP, + "Tx timestamp is not recorded (register read=%u)\n", + val_seq); + bp->eth_stats.ptp_skip_tx_ts++; } + + dev_kfree_skb_any(bp->ptp_tx_skb); + bp->ptp_tx_skb = NULL; } void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb) |