diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index df2792d8383d..a3dd5dc64f4c 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -3224,7 +3224,7 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp, return 0; } -#define NVRAM_CMD_TIMEOUT 100 +#define NVRAM_CMD_TIMEOUT 5000 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) { @@ -3232,7 +3232,7 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) tw32(NVRAM_CMD, nvram_cmd); for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) { - udelay(10); + usleep_range(10, 40); if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) { udelay(10); break; @@ -7830,17 +7830,18 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi, static netdev_tx_t tg3_start_xmit(struct sk_buff *, struct net_device *); -/* Use GSO to workaround a rare TSO bug that may be triggered when the - * TSO header is greater than 80 bytes. +/* Use GSO to workaround all TSO packets that meet HW bug conditions + * indicated in tg3_tx_frag_set() */ -static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb) +static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi, + struct netdev_queue *txq, struct sk_buff *skb) { struct sk_buff *segs, *nskb; u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3; /* Estimate the number of fragments in the worst case */ - if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) { - netif_stop_queue(tp->dev); + if (unlikely(tg3_tx_avail(tnapi) <= frag_cnt_est)) { + netif_tx_stop_queue(txq); /* netif_tx_stop_queue() must be done before checking * checking tx index in tg3_tx_avail() below, because in @@ -7848,14 +7849,15 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb) * netif_tx_queue_stopped(). */ smp_mb(); - if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est) + if (tg3_tx_avail(tnapi) <= frag_cnt_est) return NETDEV_TX_BUSY; - netif_wake_queue(tp->dev); + netif_tx_wake_queue(txq); } - segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO); - if (IS_ERR(segs)) + segs = skb_gso_segment(skb, tp->dev->features & + ~(NETIF_F_TSO | NETIF_F_TSO6)); + if (IS_ERR(segs) || !segs) goto tg3_tso_bug_end; do { @@ -7930,7 +7932,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!skb_is_gso_v6(skb)) { if (unlikely((ETH_HLEN + hdr_len) > 80) && tg3_flag(tp, TSO_BUG)) - return tg3_tso_bug(tp, skb); + return tg3_tso_bug(tp, tnapi, txq, skb); ip_csum = iph->check; ip_tot_len = iph->tot_len; @@ -8061,7 +8063,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) iph->tot_len = ip_tot_len; } tcph->check = tcp_csum; - return tg3_tso_bug(tp, skb); + return tg3_tso_bug(tp, tnapi, txq, skb); } /* If the workaround fails due to memory/mapping |