diff options
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index f059b62d29b5..a6cf6c75971e 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1852,7 +1852,7 @@ static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) * Allocate a page, split it to fragments of size rx_frag_size and post as * receive buffers to BE */ -static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) +static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp, u32 frags_needed) { struct be_adapter *adapter = rxo->adapter; struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; @@ -1861,10 +1861,10 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) struct device *dev = &adapter->pdev->dev; struct be_eth_rx_d *rxd; u64 page_dmaaddr = 0, frag_dmaaddr; - u32 posted, page_offset = 0; + u32 posted, page_offset = 0, notify = 0; page_info = &rxo->page_info_tbl[rxq->head]; - for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { + for (posted = 0; posted < frags_needed && !page_info->page; posted++) { if (!pagep) { pagep = be_alloc_pages(adapter->big_page_size, gfp); if (unlikely(!pagep)) { @@ -1920,7 +1920,11 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) atomic_add(posted, &rxq->used); if (rxo->rx_post_starved) rxo->rx_post_starved = false; - be_rxq_notify(adapter, rxq->id, posted); + do { + notify = min(256u, posted); + be_rxq_notify(adapter, rxq->id, notify); + posted -= notify; + } while (posted); } else if (atomic_read(&rxq->used) == 0) { /* Let be_worker replenish when memory is available */ rxo->rx_post_starved = true; @@ -2371,6 +2375,7 @@ static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, struct be_queue_info *rx_cq = &rxo->cq; struct be_rx_compl_info *rxcp; u32 work_done; + u32 frags_consumed = 0; for (work_done = 0; work_done < budget; work_done++) { rxcp = be_rx_compl_get(rxo); @@ -2403,6 +2408,7 @@ static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, be_rx_compl_process(rxo, napi, rxcp); loop_continue: + frags_consumed += rxcp->num_rcvd; be_rx_stats_update(rxo, rxcp); } @@ -2414,7 +2420,9 @@ loop_continue: */ if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && !rxo->rx_post_starved) - be_post_rx_frags(rxo, GFP_ATOMIC); + be_post_rx_frags(rxo, GFP_ATOMIC, + max_t(u32, MAX_RX_POST, + frags_consumed)); } return work_done; @@ -2896,7 +2904,7 @@ static int be_rx_qs_create(struct be_adapter *adapter) /* First time posting */ for_all_rx_queues(adapter, rxo, i) - be_post_rx_frags(rxo, GFP_KERNEL); + be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); return 0; } @@ -4778,7 +4786,7 @@ static void be_worker(struct work_struct *work) * allocation failures. */ if (rxo->rx_post_starved) - be_post_rx_frags(rxo, GFP_KERNEL); + be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); } be_eqd_update(adapter); |