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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
| commit | 9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch) | |
| tree | db432a17bccca1ca2c16907f0ee83ac449ed4012 /drivers/net/sfc/tx.c | |
| parent | 0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff) | |
| parent | 0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff) | |
| download | kernel-crypto-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.gz kernel-crypto-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.xz kernel-crypto-9ff9a26b786c35ee8d2a66222924a807ec851a9f.zip | |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/include/asm/elf.h
drivers/i2c/busses/i2c-mpc.c
Diffstat (limited to 'drivers/net/sfc/tx.c')
| -rw-r--r-- | drivers/net/sfc/tx.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index da3e9ff339f..d6681edb701 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -162,6 +162,14 @@ static int efx_enqueue_skb(struct efx_tx_queue *tx_queue, /* Get size of the initial fragment */ len = skb_headlen(skb); + /* Pad if necessary */ + if (EFX_WORKAROUND_15592(efx) && skb->len <= 32) { + EFX_BUG_ON_PARANOID(skb->data_len); + len = 32 + 1; + if (skb_pad(skb, len - skb->len)) + return NETDEV_TX_OK; + } + fill_level = tx_queue->insert_count - tx_queue->old_read_count; q_space = efx->type->txd_ring_mask - 1 - fill_level; @@ -376,6 +384,9 @@ int efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev) struct efx_nic *efx = netdev_priv(net_dev); struct efx_tx_queue *tx_queue; + if (unlikely(efx->port_inhibited)) + return NETDEV_TX_BUSY; + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) tx_queue = &efx->tx_queue[EFX_TX_QUEUE_OFFLOAD_CSUM]; else @@ -397,7 +408,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) * separates the update of read_count from the test of * stopped. */ smp_mb(); - if (unlikely(tx_queue->stopped)) { + if (unlikely(tx_queue->stopped) && likely(efx->port_enabled)) { fill_level = tx_queue->insert_count - tx_queue->read_count; if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) { EFX_BUG_ON_PARANOID(!efx_dev_registered(efx)); |