From e80d9da651b19a79a1500d6bb808fcbcb39a869d Mon Sep 17 00:00:00 2001 From: Padmanabh Ratnakar Date: Mon, 7 Mar 2011 03:07:58 +0000 Subject: [PATCH] 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 Signed-off-by: Sathya Perla Signed-off-by: Subramanian Seetharaman Signed-off-by: David S. Miller --- drivers/net/benet/be.h | 4 +--- 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 ed709a5d07d..4ac0d72660f 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 ef66dc61e6e..bf344347b5a 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 -- 2.20.1