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| author | Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> | 2011-03-07 03:07:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-07 15:26:55 -0800 |
| commit | e80d9da651b19a79a1500d6bb808fcbcb39a869d (patch) | |
| tree | 67c9b5354f778b47f7efaf3244432ecaa5a01712 | |
| parent | 3be0686b6e2f953afe83626e871b4a7b0ceae49b (diff) | |
| download | linux-e80d9da651b19a79a1500d6bb808fcbcb39a869d.tar.gz linux-e80d9da651b19a79a1500d6bb808fcbcb39a869d.tar.bz2 linux-e80d9da651b19a79a1500d6bb808fcbcb39a869d.zip | |
be2net: Remove ERR compl workaround for Lancer
Workaround added for Lancer in handling RX ERR completion received
when no RX buffers are posted is not needed.
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/benet/be.h | 4 | ||||
| -rw-r--r-- | drivers/net/benet/be_main.c | 31 |
2 files changed, 9 insertions, 26 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index ed709a5d07d7..4ac0d72660fe 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -220,9 +220,7 @@ struct be_rx_obj { struct be_rx_stats stats; u8 rss_id; bool rx_post_starved; /* Zero rx frags have been posted to BE */ - u16 last_frag_index; - u16 rsvd; - u32 cache_line_barrier[15]; + u32 cache_line_barrier[16]; }; struct be_drv_stats { diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index ef66dc61e6ea..bf344347b5a6 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -909,17 +909,11 @@ static void be_rx_compl_discard(struct be_adapter *adapter, rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); - /* Skip out-of-buffer compl(lancer) or flush compl(BE) */ - if (likely(rxq_idx != rxo->last_frag_index && num_rcvd != 0)) { - - rxo->last_frag_index = rxq_idx; - - for (i = 0; i < num_rcvd; i++) { - page_info = get_rx_page_info(adapter, rxo, rxq_idx); - put_page(page_info->page); - memset(page_info, 0, sizeof(*page_info)); - index_inc(&rxq_idx, rxq->len); - } + for (i = 0; i < num_rcvd; i++) { + page_info = get_rx_page_info(adapter, rxo, rxq_idx); + put_page(page_info->page); + memset(page_info, 0, sizeof(*page_info)); + index_inc(&rxq_idx, rxq->len); } } @@ -1579,9 +1573,6 @@ static int be_rx_queues_create(struct be_adapter *adapter) adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; for_all_rx_queues(adapter, rxo, i) { rxo->adapter = adapter; - /* Init last_frag_index so that the frag index in the first - * completion will never match */ - rxo->last_frag_index = 0xffff; rxo->rx_eq.max_eqd = BE_MAX_EQD; rxo->rx_eq.enable_aic = true; @@ -1722,7 +1713,7 @@ static int be_poll_rx(struct napi_struct *napi, int budget) struct be_queue_info *rx_cq = &rxo->cq; struct be_eth_rx_compl *rxcp; u32 work_done; - u16 frag_index, num_rcvd; + u16 num_rcvd; u8 err; rxo->stats.rx_polls++; @@ -1732,16 +1723,10 @@ static int be_poll_rx(struct napi_struct *napi, int budget) break; err = AMAP_GET_BITS(struct amap_eth_rx_compl, err, rxcp); - frag_index = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, - rxcp); num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); - - /* Skip out-of-buffer compl(lancer) or flush compl(BE) */ - if (likely(frag_index != rxo->last_frag_index && - num_rcvd != 0)) { - rxo->last_frag_index = frag_index; - + /* Ignore flush completions */ + if (num_rcvd) { if (do_gro(rxo, rxcp, err)) be_rx_compl_process_gro(adapter, rxo, rxcp); else |