diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_cmn.c')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_cmn.c | 1497 |
1 files changed, 1053 insertions, 444 deletions
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 289044332ed8..5b0dba6d4efa 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -17,16 +17,17 @@ #include <linux/etherdevice.h> #include <linux/if_vlan.h> +#include <linux/interrupt.h> #include <linux/ip.h> #include <net/ipv6.h> #include <net/ip6_checksum.h> #include <linux/firmware.h> #include <linux/prefetch.h> #include "bnx2x_cmn.h" - #include "bnx2x_init.h" +#include "bnx2x_sp.h" + -static int bnx2x_setup_irqs(struct bnx2x *bp); /** * bnx2x_bz_fp - zero content of the fastpath structure. @@ -46,6 +47,25 @@ static inline void bnx2x_bz_fp(struct bnx2x *bp, int index) /* Restore the NAPI object as it has been already initialized */ fp->napi = orig_napi; + + fp->bp = bp; + fp->index = index; + if (IS_ETH_FP(fp)) + fp->max_cos = bp->max_cos; + else + /* Special queues support only one CoS */ + fp->max_cos = 1; + + /* + * set the tpa flag for each queue. The tpa flag determines the queue + * minimal size so it must be set prior to queue memory allocation + */ + fp->disable_tpa = ((bp->flags & TPA_ENABLE_FLAG) == 0); + +#ifdef BCM_CNIC + /* We don't want TPA on FCoE, FWD and OOO L2 rings */ + bnx2x_fcoe(bp, disable_tpa) = 1; +#endif } /** @@ -71,13 +91,15 @@ static inline void bnx2x_move_fp(struct bnx2x *bp, int from, int to) to_fp->napi = orig_napi; } +int load_count[2][3] = { {0} }; /* per-path: 0-common, 1-port0, 2-port1 */ + /* free skb in the packet ring at pos idx * return idx of last bd freed */ -static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, +static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, u16 idx) { - struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; + struct sw_tx_bd *tx_buf = &txdata->tx_buf_ring[idx]; struct eth_tx_start_bd *tx_start_bd; struct eth_tx_bd *tx_data_bd; struct sk_buff *skb = tx_buf->skb; @@ -87,15 +109,16 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, /* prefetch skb end pointer to speedup dev_kfree_skb() */ prefetch(&skb->end); - DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", - idx, tx_buf, skb); + DP(BNX2X_MSG_FP, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n", + txdata->txq_index, idx, tx_buf, skb); /* unmap first bd */ DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); - tx_start_bd = &fp->tx_desc_ring[bd_idx].start_bd; + tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd; dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE); + nbd = le16_to_cpu(tx_start_bd->nbd) - 1; #ifdef BNX2X_STOP_ON_ERROR if ((nbd - 1) > (MAX_SKB_FRAGS + 2)) { @@ -122,7 +145,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, while (nbd > 0) { DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); - tx_data_bd = &fp->tx_desc_ring[bd_idx].reg_bd; + tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd; dma_unmap_page(&bp->pdev->dev, BD_UNMAP_ADDR(tx_data_bd), BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE); if (--nbd) @@ -138,20 +161,19 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, return new_cons; } -int bnx2x_tx_int(struct bnx2x_fastpath *fp) +int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata) { - struct bnx2x *bp = fp->bp; struct netdev_queue *txq; - u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; + u16 hw_cons, sw_cons, bd_cons = txdata->tx_bd_cons; #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) return -1; #endif - txq = netdev_get_tx_queue(bp->dev, fp->index); - hw_cons = le16_to_cpu(*fp->tx_cons_sb); - sw_cons = fp->tx_pkt_cons; + txq = netdev_get_tx_queue(bp->dev, txdata->txq_index); + hw_cons = le16_to_cpu(*txdata->tx_cons_sb); + sw_cons = txdata->tx_pkt_cons; while (sw_cons != hw_cons) { u16 pkt_cons; @@ -160,20 +182,23 @@ int bnx2x_tx_int(struct bnx2x_fastpath *fp) DP(NETIF_MSG_TX_DONE, "queue[%d]: hw_cons %u sw_cons %u " " pkt_cons %u\n", - fp->index, hw_cons, sw_cons, pkt_cons); + txdata->txq_index, hw_cons, sw_cons, pkt_cons); - bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); + bd_cons = bnx2x_free_tx_pkt(bp, txdata, pkt_cons); sw_cons++; } - fp->tx_pkt_cons = sw_cons; - fp->tx_bd_cons = bd_cons; + txdata->tx_pkt_cons = sw_cons; + txdata->tx_bd_cons = bd_cons; /* Need to make the tx_bd_cons update visible to start_xmit() * before checking for netif_tx_queue_stopped(). Without the * memory barrier, there is a small possibility that * start_xmit() will miss it and cause the queue to be stopped * forever. + * On the other hand we need an rmb() here to ensure the proper + * ordering of bit testing in the following + * netif_tx_queue_stopped(txq) call. */ smp_mb(); @@ -192,7 +217,7 @@ int bnx2x_tx_int(struct bnx2x_fastpath *fp) if ((netif_tx_queue_stopped(txq)) && (bp->state == BNX2X_STATE_OPEN) && - (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) + (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3)) netif_tx_wake_queue(txq); __netif_tx_unlock(txq); @@ -225,7 +250,7 @@ static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, /* First mark all used pages */ for (i = 0; i < sge_len; i++) - SGE_MASK_CLEAR_BIT(fp, + BIT_VEC64_CLEAR_BIT(fp->sge_mask, RX_SGE(le16_to_cpu(fp_cqe->sgl_or_raw_data.sgl[i]))); DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n", @@ -237,8 +262,8 @@ static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, le16_to_cpu(fp_cqe->sgl_or_raw_data.sgl[sge_len - 1])); last_max = RX_SGE(fp->last_max_sge); - last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT; - first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT; + last_elem = last_max >> BIT_VEC64_ELEM_SHIFT; + first_elem = RX_SGE(fp->rx_sge_prod) >> BIT_VEC64_ELEM_SHIFT; /* If ring is not full */ if (last_elem + 1 != first_elem) @@ -249,8 +274,8 @@ static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, if (likely(fp->sge_mask[i])) break; - fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK; - delta += RX_SGE_MASK_ELEM_SZ; + fp->sge_mask[i] = BIT_VEC64_ELEM_ONE_MASK; + delta += BIT_VEC64_ELEM_SZ; } if (delta > 0) { @@ -265,33 +290,56 @@ static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, } static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, - struct sk_buff *skb, u16 cons, u16 prod) + struct sk_buff *skb, u16 cons, u16 prod, + struct eth_fast_path_rx_cqe *cqe) { struct bnx2x *bp = fp->bp; struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; dma_addr_t mapping; + struct bnx2x_agg_info *tpa_info = &fp->tpa_info[queue]; + struct sw_rx_bd *first_buf = &tpa_info->first_buf; - /* move empty skb from pool to prod and map it */ - prod_rx_buf->skb = fp->tpa_pool[queue].skb; - mapping = dma_map_single(&bp->pdev->dev, fp->tpa_pool[queue].skb->data, - fp->rx_buf_size, DMA_FROM_DEVICE); - dma_unmap_addr_set(prod_rx_buf, mapping, mapping); - - /* move partial skb from cons to pool (don't unmap yet) */ - fp->tpa_pool[queue] = *cons_rx_buf; - - /* mark bin state as start - print error if current state != stop */ - if (fp->tpa_state[queue] != BNX2X_TPA_STOP) + /* print error if current state != stop */ + if (tpa_info->tpa_state != BNX2X_TPA_STOP) BNX2X_ERR("start of bin not in stop [%d]\n", queue); - fp->tpa_state[queue] = BNX2X_TPA_START; + /* Try to map an empty skb from the aggregation info */ + mapping = dma_map_single(&bp->pdev->dev, + first_buf->skb->data, + fp->rx_buf_size, DMA_FROM_DEVICE); + /* + * ...if it fails - move the skb from the consumer to the producer + * and set the current aggregation state as ERROR to drop it + * when TPA_STOP arrives. + */ + + if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { + /* Move the BD from the consumer to the producer */ + bnx2x_reuse_rx_skb(fp, cons, prod); + tpa_info->tpa_state = BNX2X_TPA_ERROR; + return; + } + /* move empty skb from pool to prod */ + prod_rx_buf->skb = first_buf->skb; + dma_unmap_addr_set(prod_rx_buf, mapping, mapping); /* point prod_bd to new skb */ prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); + /* move partial skb from cons to pool (don't unmap yet) */ + *first_buf = *cons_rx_buf; + + /* mark bin state as START */ + tpa_info->parsing_flags = + le16_to_cpu(cqe->pars_flags.flags); + tpa_info->vlan_tag = le16_to_cpu(cqe->vlan_tag); + tpa_info->tpa_state = BNX2X_TPA_START; + tpa_info->len_on_bd = le16_to_cpu(cqe->len_on_bd); + tpa_info->placement_offset = cqe->placement_offset; + #ifdef BNX2X_STOP_ON_ERROR fp->tpa_queue_used |= (1 << queue); #ifdef _ASM_GENERIC_INT_L64_H @@ -322,10 +370,17 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, static inline u16 bnx2x_set_lro_mss(struct bnx2x *bp, u16 parsing_flags, u16 len_on_bd) { - /* TPA arrgregation won't have an IP options and TCP options - * other than timestamp. + /* + * TPA arrgregation won't have either IP options or TCP options + * other than timestamp or IPv6 extension headers. */ - u16 hdrs_len = ETH_HLEN + sizeof(struct iphdr) + sizeof(struct tcphdr); + u16 hdrs_len = ETH_HLEN + sizeof(struct tcphdr); + + if (GET_FLAG(parsing_flags, PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) == + PRS_FLAG_OVERETH_IPV6) + hdrs_len += sizeof(struct ipv6hdr); + else /* IPv4 */ + hdrs_len += sizeof(struct iphdr); /* Check if there was a TCP timestamp, if there is it's will @@ -340,30 +395,30 @@ static inline u16 bnx2x_set_lro_mss(struct bnx2x *bp, u16 parsing_flags, } static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, - struct sk_buff *skb, - struct eth_fast_path_rx_cqe *fp_cqe, - u16 cqe_idx, u16 parsing_flags) + u16 queue, struct sk_buff *skb, + struct eth_end_agg_rx_cqe *cqe, + u16 cqe_idx) { struct sw_rx_page *rx_pg, old_rx_pg; - u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd); u32 i, frag_len, frag_size, pages; int err; int j; + struct bnx2x_agg_info *tpa_info = &fp->tpa_info[queue]; + u16 len_on_bd = tpa_info->len_on_bd; - frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd; + frag_size = le16_to_cpu(cqe->pkt_len) - len_on_bd; pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT; /* This is needed in order to enable forwarding support */ if (frag_size) - skb_shinfo(skb)->gso_size = bnx2x_set_lro_mss(bp, parsing_flags, - len_on_bd); + skb_shinfo(skb)->gso_size = bnx2x_set_lro_mss(bp, + tpa_info->parsing_flags, len_on_bd); #ifdef BNX2X_STOP_ON_ERROR if (pages > min_t(u32, 8, MAX_SKB_FRAGS)*SGE_PAGE_SIZE*PAGES_PER_SGE) { BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n", pages, cqe_idx); - BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n", - fp_cqe->pkt_len, len_on_bd); + BNX2X_ERR("cqe->pkt_len = %d\n", cqe->pkt_len); bnx2x_panic(); return -EINVAL; } @@ -371,8 +426,7 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, /* Run through the SGL and compose the fragmented skb */ for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) { - u16 sge_idx = - RX_SGE(le16_to_cpu(fp_cqe->sgl_or_raw_data.sgl[j])); + u16 sge_idx = RX_SGE(le16_to_cpu(cqe->sgl_or_raw_data.sgl[j])); /* FW gives the indices of the SGE as if the ring is an array (meaning that "next" element will consume 2 indices) */ @@ -407,13 +461,28 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, } static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, - u16 queue, int pad, int len, union eth_rx_cqe *cqe, + u16 queue, struct eth_end_agg_rx_cqe *cqe, u16 cqe_idx) { - struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue]; + struct bnx2x_agg_info *tpa_info = &fp->tpa_info[queue]; + struct sw_rx_bd *rx_buf = &tpa_info->first_buf; + u8 pad = tpa_info->placement_offset; + u16 len = tpa_info->len_on_bd; struct sk_buff *skb = rx_buf->skb; /* alloc new skb */ - struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, fp->rx_buf_size); + struct sk_buff *new_skb; + u8 old_tpa_state = tpa_info->tpa_state; + + tpa_info->tpa_state = BNX2X_TPA_STOP; + + /* If we there was an error during the handling of the TPA_START - + * drop this aggregation. + */ + if (old_tpa_state == BNX2X_TPA_ERROR) + goto drop; + + /* Try to allocate the new skb */ + new_skb = netdev_alloc_skb(bp->dev, fp->rx_buf_size); /* Unmap skb in the pool anyway, as we are going to change pool entry status to BNX2X_TPA_STOP even if new skb allocation @@ -422,11 +491,6 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, fp->rx_buf_size, DMA_FROM_DEVICE); if (likely(new_skb)) { - /* fix ip xsum and give it to the stack */ - /* (no need to map the new skb) */ - u16 parsing_flags = - le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags); - prefetch(skb); prefetch(((char *)(skb)) + L1_CACHE_BYTES); @@ -446,21 +510,9 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, skb->protocol = eth_type_trans(skb, bp->dev); skb->ip_summed = CHECKSUM_UNNECESSARY; - { - struct iphdr *iph; - - iph = (struct iphdr *)skb->data; - iph->check = 0; - iph->check = ip_fast_csum((u8 *)iph, iph->ihl); - } - - if (!bnx2x_fill_frag_skb(bp, fp, skb, - &cqe->fast_path_cqe, cqe_idx, - parsing_flags)) { - if (parsing_flags & PARSING_FLAGS_VLAN) - __vlan_hwaccel_put_tag(skb, - le16_to_cpu(cqe->fast_path_cqe. - vlan_tag)); + if (!bnx2x_fill_frag_skb(bp, fp, queue, skb, cqe, cqe_idx)) { + if (tpa_info->parsing_flags & PARSING_FLAGS_VLAN) + __vlan_hwaccel_put_tag(skb, tpa_info->vlan_tag); napi_gro_receive(&fp->napi, skb); } else { DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages" @@ -470,16 +522,16 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, /* put new skb in bin */ - fp->tpa_pool[queue].skb = new_skb; + rx_buf->skb = new_skb; - } else { - /* else drop the packet and keep the buffer in the bin */ - DP(NETIF_MSG_RX_STATUS, - "Failed to allocate new skb - dropping packet!\n"); - fp->eth_q_stats.rx_skb_alloc_failed++; + return; } - fp->tpa_state[queue] = BNX2X_TPA_STOP; +drop: + /* drop the packet and keep the buffer in the bin */ + DP(NETIF_MSG_RX_STATUS, + "Failed to allocate or map a new skb - dropping packet!\n"); + fp->eth_q_stats.rx_skb_alloc_failed++; } /* Set Toeplitz hash value in the skb using the value from the @@ -533,9 +585,16 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) struct sw_rx_bd *rx_buf = NULL; struct sk_buff *skb; union eth_rx_cqe *cqe; + struct eth_fast_path_rx_cqe *cqe_fp; u8 cqe_fp_flags; + enum eth_rx_cqe_type cqe_fp_type; u16 len, pad; +#ifdef BNX2X_STOP_ON_ERROR + if (unlikely(bp->panic)) + return 0; +#endif + comp_ring_cons = RCQ_BD(sw_comp_cons); bd_prod = RX_BD(bd_prod); bd_cons = RX_BD(bd_cons); @@ -548,17 +607,18 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) PAGE_SIZE + 1)); cqe = &fp->rx_comp_ring[comp_ring_cons]; - cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; + cqe_fp = &cqe->fast_path_cqe; + cqe_fp_flags = cqe_fp->type_error_flags; + cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE; DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags), - cqe_fp_flags, cqe->fast_path_cqe.status_flags, - le32_to_cpu(cqe->fast_path_cqe.rss_hash_result), - le16_to_cpu(cqe->fast_path_cqe.vlan_tag), - le16_to_cpu(cqe->fast_path_cqe.pkt_len)); + cqe_fp_flags, cqe_fp->status_flags, + le32_to_cpu(cqe_fp->rss_hash_result), + le16_to_cpu(cqe_fp->vlan_tag), le16_to_cpu(cqe_fp->pkt_len)); /* is this a slowpath msg? */ - if (unlikely(CQE_TYPE(cqe_fp_flags))) { + if (unlikely(CQE_TYPE_SLOW(cqe_fp_type))) { bnx2x_sp_event(fp, cqe); goto next_cqe; @@ -567,61 +627,59 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) rx_buf = &fp->rx_buf_ring[bd_cons]; skb = rx_buf->skb; prefetch(skb); - len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); - pad = cqe->fast_path_cqe.placement_offset; - /* - If CQE is marked both TPA_START and TPA_END it is - * a non-TPA CQE. - * - FP CQE will always have either TPA_START or/and - * TPA_STOP flags set. - */ - if ((!fp->disable_tpa) && - (TPA_TYPE(cqe_fp_flags) != - (TPA_TYPE_START | TPA_TYPE_END))) { - u16 queue = cqe->fast_path_cqe.queue_index; + if (!CQE_TYPE_FAST(cqe_fp_type)) { +#ifdef BNX2X_STOP_ON_ERROR + /* sanity check */ + if (fp->disable_tpa && + (CQE_TYPE_START(cqe_fp_type) || + CQE_TYPE_STOP(cqe_fp_type))) + BNX2X_ERR("START/STOP packet while " + "disable_tpa type %x\n", + CQE_TYPE(cqe_fp_type)); +#endif - if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) { + if (CQE_TYPE_START(cqe_fp_type)) { + u16 queue = cqe_fp->queue_index; DP(NETIF_MSG_RX_STATUS, "calling tpa_start on queue %d\n", queue); bnx2x_tpa_start(fp, queue, skb, - bd_cons, bd_prod); + bd_cons, bd_prod, + cqe_fp); - /* Set Toeplitz hash for an LRO skb */ + /* Set Toeplitz hash for LRO skb */ bnx2x_set_skb_rxhash(bp, cqe, skb); goto next_rx; - } else { /* TPA_STOP */ + + } else { + u16 queue = + cqe->end_agg_cqe.queue_index; DP(NETIF_MSG_RX_STATUS, "calling tpa_stop on queue %d\n", queue); - if (!BNX2X_RX_SUM_FIX(cqe)) - BNX2X_ERR("STOP on none TCP " - "data\n"); - - /* This is a size of the linear data - on this skb */ - len = le16_to_cpu(cqe->fast_path_cqe. - len_on_bd); - bnx2x_tpa_stop(bp, fp, queue, pad, - len, cqe, comp_ring_cons); + bnx2x_tpa_stop(bp, fp, queue, + &cqe->end_agg_cqe, + comp_ring_cons); #ifdef BNX2X_STOP_ON_ERROR if (bp->panic) return 0; #endif - bnx2x_update_sge_prod(fp, - &cqe->fast_path_cqe); + bnx2x_update_sge_prod(fp, cqe_fp); goto next_cqe; } } - - dma_sync_single_for_device(&bp->pdev->dev, + /* non TPA */ + len = le16_to_cpu(cqe_fp->pkt_len); + pad = cqe_fp->placement_offset; + dma_sync_single_for_cpu(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping), - pad + RX_COPY_THRESH, - DMA_FROM_DEVICE); + pad + RX_COPY_THRESH, + DMA_FROM_DEVICE); prefetch(((char *)(skb)) + L1_CACHE_BYTES); /* is this an error packet? */ @@ -640,8 +698,7 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) (len <= RX_COPY_THRESH)) { struct sk_buff *new_skb; - new_skb = netdev_alloc_skb(bp->dev, - len + pad); + new_skb = netdev_alloc_skb(bp->dev, len + pad); if (new_skb == NULL) { DP(NETIF_MSG_RX_ERR, "ERROR packet dropped " @@ -687,6 +744,7 @@ reuse_rx: skb_checksum_none_assert(skb); if (bp->dev->features & NETIF_F_RXCSUM) { + if (likely(BNX2X_RX_CSUM_OK(cqe))) skb->ip_summed = CHECKSUM_UNNECESSARY; else @@ -696,10 +754,10 @@ reuse_rx: skb_record_rx_queue(skb, fp->index); - if (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & - PARSING_FLAGS_VLAN) + if (le16_to_cpu(cqe_fp->pars_flags.flags) & + PARSING_FLAGS_VLAN) __vlan_hwaccel_put_tag(skb, - le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); + le16_to_cpu(cqe_fp->vlan_tag)); napi_gro_receive(&fp->napi, skb); @@ -737,12 +795,7 @@ static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) { struct bnx2x_fastpath *fp = fp_cookie; struct bnx2x *bp = fp->bp; - - /* Return here if interrupt is disabled */ - if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); - return IRQ_HANDLED; - } + u8 cos; DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB " "[fp %d fw_sd %d igusb %d]\n", @@ -756,7 +809,10 @@ static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) /* Handle Rx and Tx according to MSI-X vector */ prefetch(fp->rx_cons_sb); - prefetch(fp->tx_cons_sb); + + for_each_cos_in_tx_queue(fp, cos) + prefetch(fp->txdata[cos].tx_cons_sb); + prefetch(&fp->sb_running_index[SM_RX_ID]); napi_schedule(&bnx2x_fp(bp, fp->index, napi)); @@ -931,7 +987,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) { int func = BP_FUNC(bp); int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H; + ETH_MAX_AGGREGATION_QUEUES_E1H_E2; u16 ring_prod; int i, j; @@ -943,11 +999,16 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) "mtu %d rx_buf_size %d\n", bp->dev->mtu, fp->rx_buf_size); if (!fp->disable_tpa) { - /* Fill the per-aggregation pool */ + /* Fill the per-aggregtion pool */ for (i = 0; i < max_agg_queues; i++) { - fp->tpa_pool[i].skb = - netdev_alloc_skb(bp->dev, fp->rx_buf_size); - if (!fp->tpa_pool[i].skb) { + struct bnx2x_agg_info *tpa_info = + &fp->tpa_info[i]; + struct sw_rx_bd *first_buf = + &tpa_info->first_buf; + + first_buf->skb = netdev_alloc_skb(bp->dev, + fp->rx_buf_size); + if (!first_buf->skb) { BNX2X_ERR("Failed to allocate TPA " "skb pool for queue[%d] - " "disabling TPA on this " @@ -956,10 +1017,8 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) fp->disable_tpa = 1; break; } - dma_unmap_addr_set((struct sw_rx_bd *) - &bp->fp->tpa_pool[i], - mapping, 0); - fp->tpa_state[i] = BNX2X_TPA_STOP; + dma_unmap_addr_set(first_buf, mapping, 0); + tpa_info->tpa_state = BNX2X_TPA_STOP; } /* "next page" elements initialization */ @@ -975,13 +1034,13 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) { BNX2X_ERR("was only able to allocate " "%d rx sges\n", i); - BNX2X_ERR("disabling TPA for" - " queue[%d]\n", j); + BNX2X_ERR("disabling TPA for " + "queue[%d]\n", j); /* Cleanup already allocated elements */ - bnx2x_free_rx_sge_range(bp, - fp, ring_prod); - bnx2x_free_tpa_pool(bp, - fp, max_agg_queues); + bnx2x_free_rx_sge_range(bp, fp, + ring_prod); + bnx2x_free_tpa_pool(bp, fp, + max_agg_queues); fp->disable_tpa = 1; ring_prod = 0; break; @@ -1009,7 +1068,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) if (j != 0) continue; - if (!CHIP_IS_E2(bp)) { + if (CHIP_IS_E1(bp)) { REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func), U64_LO(fp->rx_comp_mapping)); @@ -1023,17 +1082,22 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) static void bnx2x_free_tx_skbs(struct bnx2x *bp) { int i; + u8 cos; for_each_tx_queue(bp, i) { struct bnx2x_fastpath *fp = &bp->fp[i]; + for_each_cos_in_tx_queue(fp, cos) { + struct bnx2x_fp_txdata *txdata = &fp->txdata[cos]; - u16 bd_cons = fp->tx_bd_cons; - u16 sw_prod = fp->tx_pkt_prod; - u16 sw_cons = fp->tx_pkt_cons; + u16 bd_cons = txdata->tx_bd_cons; + u16 sw_prod = txdata->tx_pkt_prod; + u16 sw_cons = txdata->tx_pkt_cons; - while (sw_cons != sw_prod) { - bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); - sw_cons++; + while (sw_cons != sw_prod) { + bd_cons = bnx2x_free_tx_pkt(bp, txdata, + TX_BD(sw_cons)); + sw_cons++; + } } } } @@ -1053,7 +1117,6 @@ static void bnx2x_free_rx_bds(struct bnx2x_fastpath *fp) if (skb == NULL) continue; - dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping), fp->rx_buf_size, DMA_FROM_DEVICE); @@ -1075,7 +1138,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp) if (!fp->disable_tpa) bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H); + ETH_MAX_AGGREGATION_QUEUES_E1H_E2); } } @@ -1102,30 +1165,43 @@ void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value) } } -static void bnx2x_free_msix_irqs(struct bnx2x *bp) +/** + * bnx2x_free_msix_irqs - free previously requested MSI-X IRQ vectors + * + * @bp: driver handle + * @nvecs: number of vectors to be released + */ +static void bnx2x_free_msix_irqs(struct bnx2x *bp, int nvecs) { - int i, offset = 1; + int i, offset = 0; - free_irq(bp->msix_table[0].vector, bp->dev); + if (nvecs == offset) + return; + free_irq(bp->msix_table[offset].vector, bp->dev); DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", - bp->msix_table[0].vector); - + bp->msix_table[offset].vector); + offset++; #ifdef BCM_CNIC + if (nvecs == offset) + return; offset++; #endif + for_each_eth_queue(bp, i) { - DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " - "state %x\n", i, bp->msix_table[i + offset].vector, - bnx2x_fp(bp, i, state)); + if (nvecs == offset) + return; + DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d " + "irq\n", i, bp->msix_table[offset].vector); - free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]); + free_irq(bp->msix_table[offset++].vector, &bp->fp[i]); } } void bnx2x_free_irq(struct bnx2x *bp) { if (bp->flags & USING_MSIX_FLAG) - bnx2x_free_msix_irqs(bp); + bnx2x_free_msix_irqs(bp, BNX2X_NUM_ETH_QUEUES(bp) + + CNIC_PRESENT + 1); else if (bp->flags & USING_MSI_FLAG) free_irq(bp->pdev->irq, bp->dev); else @@ -1147,6 +1223,7 @@ int bnx2x_enable_msix(struct bnx2x *bp) bp->msix_table[msix_vec].entry, bp->msix_table[msix_vec].entry); msix_vec++; #endif + /* We need separate vectors for ETH queues only (not FCoE) */ for_each_eth_queue(bp, i) { bp->msix_table[msix_vec].entry = msix_vec; DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d " @@ -1154,7 +1231,7 @@ int bnx2x_enable_msix(struct bnx2x *bp) msix_vec++; } - req_cnt = BNX2X_NUM_ETH_QUEUES(bp) + CNIC_CONTEXT_USE + 1; + req_cnt = BNX2X_NUM_ETH_QUEUES(bp) + CNIC_PRESENT + 1; rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], req_cnt); @@ -1198,9 +1275,10 @@ int bnx2x_enable_msix(struct bnx2x *bp) static int bnx2x_req_msix_irqs(struct bnx2x *bp) { - int i, rc, offset = 1; + int i, rc, offset = 0; - rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, + rc = request_irq(bp->msix_table[offset++].vector, + bnx2x_msix_sp_int, 0, bp->dev->name, bp->dev); if (rc) { BNX2X_ERR("request sp irq failed\n"); @@ -1218,17 +1296,17 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp) rc = request_irq(bp->msix_table[offset].vector, bnx2x_msix_fp_int, 0, fp->name, fp); if (rc) { - BNX2X_ERR("request fp #%d irq failed rc %d\n", i, rc); - bnx2x_free_msix_irqs(bp); + BNX2X_ERR("request fp #%d irq (%d) failed rc %d\n", i, + bp->msix_table[offset].vector, rc); + bnx2x_free_msix_irqs(bp, offset); return -EBUSY; } offset++; - fp->state = BNX2X_FP_STATE_IRQ; } i = BNX2X_NUM_ETH_QUEUES(bp); - offset = 1 + CNIC_CONTEXT_USE; + offset = 1 + CNIC_PRESENT; netdev_info(bp->dev, "using MSI-X IRQs: sp %d fp[%d] %d" " ... fp[%d] %d\n", bp->msix_table[0].vector, @@ -1264,42 +1342,56 @@ static int bnx2x_req_irq(struct bnx2x *bp) rc = request_irq(bp->pdev->irq, bnx2x_interrupt, flags, bp->dev->name, bp->dev); - if (!rc) - bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; - return rc; } -static void bnx2x_napi_enable(struct bnx2x *bp) +static inline int bnx2x_setup_irqs(struct bnx2x *bp) +{ + int rc = 0; + if (bp->flags & USING_MSIX_FLAG) { + rc = bnx2x_req_msix_irqs(bp); + if (rc) + return rc; + } else { + bnx2x_ack_int(bp); + rc = bnx2x_req_irq(bp); + if (rc) { + BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); + return rc; + } + if (bp->flags & USING_MSI_FLAG) { + bp->dev->irq = bp->pdev->irq; + netdev_info(bp->dev, "using MSI IRQ %d\n", + bp->pdev->irq); + } + } + + return 0; +} + +static inline void bnx2x_napi_enable(struct bnx2x *bp) { int i; - for_each_napi_queue(bp, i) + for_each_rx_queue(bp, i) napi_enable(&bnx2x_fp(bp, i, napi)); } -static void bnx2x_napi_disable(struct bnx2x *bp) +static inline void bnx2x_napi_disable(struct bnx2x *bp) { int i; - for_each_napi_queue(bp, i) + for_each_rx_queue(bp, i) napi_disable(&bnx2x_fp(bp, i, napi)); } void bnx2x_netif_start(struct bnx2x *bp) { - int intr_sem; - - intr_sem = atomic_dec_and_test(&bp->intr_sem); - smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */ - - if (intr_sem) { - if (netif_running(bp->dev)) { - bnx2x_napi_enable(bp); - bnx2x_int_enable(bp); - if (bp->state == BNX2X_STATE_OPEN) - netif_tx_wake_all_queues(bp->dev); - } + if (netif_running(bp->dev)) { + bnx2x_napi_enable(bp); + bnx2x_int_enable(bp); + if (bp->state == BNX2X_STATE_OPEN) + netif_tx_wake_all_queues(bp->dev); } } @@ -1307,13 +1399,12 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) { bnx2x_int_disable_sync(bp, disable_hw); bnx2x_napi_disable(bp); - netif_tx_disable(bp->dev); } u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb) { -#ifdef BCM_CNIC struct bnx2x *bp = netdev_priv(dev); +#ifdef BCM_CNIC if (NO_FCOE(bp)) return skb_tx_hash(dev, skb); else { @@ -1330,13 +1421,12 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb) /* If ethertype is FCoE or FIP - use FCoE ring */ if ((ether_type == ETH_P_FCOE) || (ether_type == ETH_P_FIP)) - return bnx2x_fcoe(bp, index); + return bnx2x_fcoe_tx(bp, txq_index); } #endif /* Select a none-FCoE queue: if FCoE is enabled, exclude FCoE L2 ring */ - return __skb_tx_hash(dev, skb, - dev->real_num_tx_queues - FCOE_CONTEXT_USE); + return __skb_tx_hash(dev, skb, BNX2X_NUM_ETH_QUEUES(bp)); } void bnx2x_set_num_queues(struct bnx2x *bp) @@ -1355,40 +1445,38 @@ void bnx2x_set_num_queues(struct bnx2x *bp) } /* Add special queues */ - bp->num_queues += NONE_ETH_CONTEXT_USE; + bp->num_queues += NON_ETH_CONTEXT_USE; } -#ifdef BCM_CNIC -static inline void bnx2x_set_fcoe_eth_macs(struct bnx2x *bp) +static inline int bnx2x_set_real_num_queues(struct bnx2x *bp) { + int rc, tx, rx; + + tx = MAX_TXQS_PER_COS * bp->max_cos; + rx = BNX2X_NUM_ETH_QUEUES(bp); + +/* account for fcoe queue */ +#ifdef BCM_CNIC if (!NO_FCOE(bp)) { - if (!IS_MF_SD(bp)) - bnx2x_set_fip_eth_mac_addr(bp, 1); - bnx2x_set_all_enode_macs(bp, 1); - bp->flags |= FCOE_MACS_SET; + rx += FCOE_PRESENT; + tx += FCOE_PRESENT; } -} #endif -static void bnx2x_release_firmware(struct bnx2x *bp) -{ - kfree(bp->init_ops_offsets); - kfree(bp->init_ops); - kfree(bp->init_data); - release_firmware(bp->firmware); -} - -static inline int bnx2x_set_real_num_queues(struct bnx2x *bp) -{ - int rc, num = bp->num_queues; + rc = netif_set_real_num_tx_queues(bp->dev, tx); + if (rc) { + BNX2X_ERR("Failed to set real number of Tx queues: %d\n", rc); + return rc; + } + rc = netif_set_real_num_rx_queues(bp->dev, rx); + if (rc) { + BNX2X_ERR("Failed to set real number of Rx queues: %d\n", rc); + return rc; + } -#ifdef BCM_CNIC - if (NO_FCOE(bp)) - num -= FCOE_CONTEXT_USE; + DP(NETIF_MSG_DRV, "Setting real num queues to (tx, rx) (%d, %d)\n", + tx, rx); -#endif - netif_set_real_num_tx_queues(bp->dev, num); - rc = netif_set_real_num_rx_queues(bp->dev, num); return rc; } @@ -1409,27 +1497,198 @@ static inline void bnx2x_set_rx_buf_size(struct bnx2x *bp) */ fp->rx_buf_size = BNX2X_FCOE_MINI_JUMBO_MTU + ETH_OVREHEAD + - BNX2X_RX_ALIGN + IP_HEADER_ALIGNMENT_PADDING; + BNX2X_FW_RX_ALIGN + IP_HEADER_ALIGNMENT_PADDING; else fp->rx_buf_size = - bp->dev->mtu + ETH_OVREHEAD + BNX2X_RX_ALIGN + - IP_HEADER_ALIGNMENT_PADDING; + bp->dev->mtu + ETH_OVREHEAD + + BNX2X_FW_RX_ALIGN + IP_HEADER_ALIGNMENT_PADDING; + } +} + +static inline int bnx2x_init_rss_pf(struct bnx2x *bp) +{ + int i; + u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0}; + u8 num_eth_queues = BNX2X_NUM_ETH_QUEUES(bp); + + /* + * Prepare the inital contents fo the indirection table if RSS is + * enabled + */ + if (bp->multi_mode != ETH_RSS_MODE_DISABLED) { + for (i = 0; i < sizeof(ind_table); i++) + ind_table[i] = + bp->fp->cl_id + (i % num_eth_queues); + } + + /* + * For 57710 and 57711 SEARCHER configuration (rss_keys) is + * per-port, so if explicit configuration is needed , do it only + * for a PMF. + * + * For 57712 and newer on the other hand it's a per-function + * configuration. + */ + return bnx2x_config_rss_pf(bp, ind_table, + bp->port.pmf || !CHIP_IS_E1x(bp)); +} + +int bnx2x_config_rss_pf(struct bnx2x *bp, u8 *ind_table, bool config_hash) +{ + struct bnx2x_config_rss_params params = {0}; + int i; + + /* Although RSS is meaningless when there is a single HW queue we + * still need it enabled in order to have HW Rx hash generated. + * + * if (!is_eth_multi(bp)) + * bp->multi_mode = ETH_RSS_MODE_DISABLED; + */ + + params.rss_obj = &bp->rss_conf_obj; + + __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags); + + /* RSS mode */ + switch (bp->multi_mode) { + case ETH_RSS_MODE_DISABLED: + __set_bit(BNX2X_RSS_MODE_DISABLED, ¶ms.rss_flags); + break; + case ETH_RSS_MODE_REGULAR: + __set_bit(BNX2X_RSS_MODE_REGULAR, ¶ms.rss_flags); + break; + case ETH_RSS_MODE_VLAN_PRI: + __set_bit(BNX2X_RSS_MODE_VLAN_PRI, ¶ms.rss_flags); + break; + case ETH_RSS_MODE_E1HOV_PRI: + __set_bit(BNX2X_RSS_MODE_E1HOV_PRI, ¶ms.rss_flags); + break; + case ETH_RSS_MODE_IP_DSCP: + __set_bit(BNX2X_RSS_MODE_IP_DSCP, ¶ms.rss_flags); + break; + default: + BNX2X_ERR("Unknown multi_mode: %d\n", bp->multi_mode); + return -EINVAL; + } + + /* If RSS is enabled */ + if (bp->multi_mode != ETH_RSS_MODE_DISABLED) { + /* RSS configuration */ + __set_bit(BNX2X_RSS_IPV4, ¶ms.rss_flags); + __set_bit(BNX2X_RSS_IPV4_TCP, ¶ms.rss_flags); + __set_bit(BNX2X_RSS_IPV6, ¶ms.rss_flags); + __set_bit(BNX2X_RSS_IPV6_TCP, ¶ms.rss_flags); + + /* Hash bits */ + params.rss_result_mask = MULTI_MASK; + + memcpy(params.ind_table, ind_table, sizeof(params.ind_table)); + + if (config_hash) { + /* RSS keys */ + for (i = 0; i < sizeof(params.rss_key) / 4; i++) + params.rss_key[i] = random32(); + + __set_bit(BNX2X_RSS_SET_SRCH, ¶ms.rss_flags); + } + } + + return bnx2x_config_rss(bp, ¶ms); +} + +static inline int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) +{ + struct bnx2x_func_state_params func_params = {0}; + + /* Prepare parameters for function state transitions */ + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + + func_params.f_obj = &bp->func_obj; + func_params.cmd = BNX2X_F_CMD_HW_INIT; + + func_params.params.hw_init.load_phase = load_code; + + return bnx2x_func_state_change(bp, &func_params); +} + +/* + * Cleans the object that have internal lists without sending + * ramrods. Should be run when interrutps are disabled. + */ +static void bnx2x_squeeze_objects(struct bnx2x *bp) +{ + int rc; + unsigned long ramrod_flags = 0, vlan_mac_flags = 0; + struct bnx2x_mcast_ramrod_params rparam = {0}; + struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj; + + /***************** Cleanup MACs' object first *************************/ + + /* Wait for completion of requested */ + __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); + /* Perform a dry cleanup */ + __set_bit(RAMROD_DRV_CLR_ONLY, &ramrod_flags); + + /* Clean ETH primary MAC */ + __set_bit(BNX2X_ETH_MAC, &vlan_mac_flags); + rc = mac_obj->delete_all(bp, &bp->fp->mac_obj, &vlan_mac_flags, + &ramrod_flags); + if (rc != 0) + BNX2X_ERR("Failed to clean ETH MACs: %d\n", rc); + + /* Cleanup UC list */ + vlan_mac_flags = 0; + __set_bit(BNX2X_UC_LIST_MAC, &vlan_mac_flags); + rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, + &ramrod_flags); + if (rc != 0) + BNX2X_ERR("Failed to clean UC list MACs: %d\n", rc); + + /***************** Now clean mcast object *****************************/ + rparam.mcast_obj = &bp->mcast_obj; + __set_bit(RAMROD_DRV_CLR_ONLY, &rparam.ramrod_flags); + + /* Add a DEL command... */ + rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL); + if (rc < 0) + BNX2X_ERR("Failed to add a new DEL command to a multi-cast " + "object: %d\n", rc); + + /* ...and wait until all pending commands are cleared */ + rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); + while (rc != 0) { + if (rc < 0) { + BNX2X_ERR("Failed to clean multi-cast object: %d\n", + rc); + return; + } + + rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); } } +#ifndef BNX2X_STOP_ON_ERROR +#define LOAD_ERROR_EXIT(bp, label) \ + do { \ + (bp)->state = BNX2X_STATE_ERROR; \ + goto label; \ + } while (0) +#else +#define LOAD_ERROR_EXIT(bp, label) \ + do { \ + (bp)->state = BNX2X_STATE_ERROR; \ + (bp)->panic = 1; \ + return -EBUSY; \ + } while (0) +#endif + /* must be called with rtnl_lock */ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) { + int port = BP_PORT(bp); u32 load_code; int i, rc; - /* Set init arrays */ - rc = bnx2x_init_firmware(bp); - if (rc) { - BNX2X_ERR("Error loading firmware\n"); - return rc; - } - #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) return -EPERM; @@ -1447,24 +1706,18 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) /* must be called before memory allocation and HW init */ bnx2x_ilt_set_info(bp); - /* zero fastpath structures preserving invariants like napi which are - * allocated only once + /* + * Zero fastpath structures preserving invariants like napi, which are + * allocated only once, fp index, max_cos, bp pointer. + * Also set fp->disable_tpa. */ for_each_queue(bp, i) bnx2x_bz_fp(bp, i); + /* Set the receive queues buffer size */ bnx2x_set_rx_buf_size(bp); - for_each_queue(bp, i) - bnx2x_fp(bp, i, disable_tpa) = - ((bp->flags & TPA_ENABLE_FLAG) == 0); - -#ifdef BCM_CNIC - /* We don't want TPA on FCoE L2 ring */ - bnx2x_fcoe(bp, disable_tpa) = 1; -#endif - if (bnx2x_alloc_mem(bp)) return -ENOMEM; @@ -1475,31 +1728,36 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) rc = bnx2x_set_real_num_queues(bp); if (rc) { BNX2X_ERR("Unable to set real_num_queues\n"); - goto load_error0; + LOAD_ERROR_EXIT(bp, load_error0); } + /* configure multi cos mappings in kernel. + * this configuration may be overriden by a multi class queue discipline + * or by a dcbx negotiation result. + */ + bnx2x_setup_tc(bp->dev, bp->max_cos); + bnx2x_napi_enable(bp); /* Send LOAD_REQUEST command to MCP - Returns the type of LOAD command: - if it is the first port to be initialized - common blocks should be initialized, otherwise - not - */ + * Returns the type of LOAD command: + * if it is the first port to be initialized + * common blocks should be initialized, otherwise - not + */ if (!BP_NOMCP(bp)) { load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0); if (!load_code) { BNX2X_ERR("MCP response failure, aborting\n"); rc = -EBUSY; - goto load_error1; + LOAD_ERROR_EXIT(bp, load_error1); } if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { rc = -EBUSY; /* other port in diagnostic mode */ - goto load_error1; + LOAD_ERROR_EXIT(bp, load_error1); } } else { int path = BP_PATH(bp); - int port = BP_PORT(bp); DP(NETIF_MSG_IFUP, "NO MCP - load counts[%d] %d, %d, %d\n", path, load_count[path][0], load_count[path][1], @@ -1519,36 +1777,60 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || (load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) || - (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) + (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) { bp->port.pmf = 1; - else + /* + * We need the barrier to ensure the ordering between the + * writing to bp->port.pmf here and reading it from the + * bnx2x_periodic_task(). + */ + smp_mb(); + queue_delayed_work(bnx2x_wq, &bp->period_task, 0); + } else bp->port.pmf = 0; + DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); + /* Init Function state controlling object */ + bnx2x__init_func_obj(bp); + /* Initialize HW */ rc = bnx2x_init_hw(bp, load_code); if (rc) { BNX2X_ERR("HW init failed, aborting\n"); bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0); - goto load_error2; + LOAD_ERROR_EXIT(bp, load_error2); } /* Connect to IRQs */ rc = bnx2x_setup_irqs(bp); if (rc) { bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0); - goto load_error2; + LOAD_ERROR_EXIT(bp, load_error2); } /* Setup NIC internals and enable interrupts */ bnx2x_nic_init(bp, load_code); + /* Init per-function objects */ + bnx2x_init_bp_objs(bp); + if (((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || (load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP)) && - (bp->common.shmem2_base)) - SHMEM2_WR(bp, dcc_support, - (SHMEM_DCC_SUPPORT_DISABLE_ENABLE_PF_TLV | - SHMEM_DCC_SUPPORT_BANDWIDTH_ALLOCATION_TLV)); + (bp->common.shmem2_base)) { + if (SHMEM2_HAS(bp, dcc_support)) + SHMEM2_WR(bp, dcc_support, + (SHMEM_DCC_SUPPORT_DISABLE_ENABLE_PF_TLV | + SHMEM_DCC_SUPPORT_BANDWIDTH_ALLOCATION_TLV)); + } + + bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; + rc = bnx2x_func_start(bp); + if (rc) { + BNX2X_ERR("Function start failed!\n"); + bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0); + LOAD_ERROR_EXIT(bp, load_error3); + } /* Send LOAD_DONE command to MCP */ if (!BP_NOMCP(bp)) { @@ -1556,74 +1838,38 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) if (!load_code) { BNX2X_ERR("MCP response failure, aborting\n"); rc = -EBUSY; - goto load_error3; + LOAD_ERROR_EXIT(bp, load_error3); } } - bnx2x_dcbx_init(bp); - - bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; - - rc = bnx2x_func_start(bp); - if (rc) { - BNX2X_ERR("Function start failed!\n"); -#ifndef BNX2X_STOP_ON_ERROR - goto load_error3; -#else - bp->panic = 1; - return -EBUSY; -#endif - } - - rc = bnx2x_setup_client(bp, &bp->fp[0], 1 /* Leading */); + rc = bnx2x_setup_leading(bp); if (rc) { BNX2X_ERR("Setup leading failed!\n"); -#ifndef BNX2X_STOP_ON_ERROR - goto load_error3; -#else - bp->panic = 1; - return -EBUSY; -#endif - } - - if (!CHIP_IS_E1(bp) && - (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED)) { - DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n"); - bp->flags |= MF_FUNC_DIS; + LOAD_ERROR_EXIT(bp, load_error3); } #ifdef BCM_CNIC /* Enable Timer scan */ - REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 1); + REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 1); #endif for_each_nondefault_queue(bp, i) { - rc = bnx2x_setup_client(bp, &bp->fp[i], 0); + rc = bnx2x_setup_queue(bp, &bp->fp[i], 0); if (rc) -#ifdef BCM_CNIC - goto load_error4; -#else - goto load_error3; -#endif + LOAD_ERROR_EXIT(bp, load_error4); } + rc = bnx2x_init_rss_pf(bp); + if (rc) + LOAD_ERROR_EXIT(bp, load_error4); + /* Now when Clients are configured we are ready to work */ bp->state = BNX2X_STATE_OPEN; -#ifdef BCM_CNIC - bnx2x_set_fcoe_eth_macs(bp); -#endif - - bnx2x_set_eth_mac(bp, 1); - - /* Clear MC configuration */ - if (CHIP_IS_E1(bp)) - bnx2x_invalidate_e1_mc_list(bp); - else - bnx2x_invalidate_e1h_mc_list(bp); - - /* Clear UC lists configuration */ - bnx2x_invalidate_uc_list(bp); + /* Configure a ucast MAC */ + rc = bnx2x_set_eth_mac(bp, true); + if (rc) + LOAD_ERROR_EXIT(bp, load_error4); if (bp->pending_max) { bnx2x_update_max_mf_config(bp, bp->pending_max); @@ -1633,15 +1879,18 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) if (bp->port.pmf) bnx2x_initial_phy_init(bp, load_mode); - /* Initialize Rx filtering */ + /* Start fast path */ + + /* Initialize Rx filter. */ + netif_addr_lock_bh(bp->dev); bnx2x_set_rx_mode(bp->dev); + netif_addr_unlock_bh(bp->dev); - /* Start fast path */ + /* Start the Tx */ switch (load_mode) { case LOAD_NORMAL: /* Tx queue should be only reenabled */ netif_tx_wake_all_queues(bp->dev); - /* Initialize the receive filter. */ break; case LOAD_OPEN: @@ -1670,18 +1919,28 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) #endif bnx2x_inc_load_cnt(bp); - bnx2x_release_firmware(bp); + /* Wait for all pending SP commands to complete */ + if (!bnx2x_wait_sp_comp(bp, ~0x0UL)) { + BNX2X_ERR("Timeout waiting for SP elements to complete\n"); + bnx2x_nic_unload(bp, UNLOAD_CLOSE); + return -EBUSY; + } + bnx2x_dcbx_init(bp); return 0; -#ifdef BCM_CNIC +#ifndef BNX2X_STOP_ON_ERROR load_error4: +#ifdef BCM_CNIC /* Disable Timer scan */ - REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 0); + REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0); #endif load_error3: bnx2x_int_disable_sync(bp, 1); + /* Clean queueable objects */ + bnx2x_squeeze_objects(bp); + /* Free SKBs, SGEs, TPA pool and driver internals */ bnx2x_free_skbs(bp); for_each_rx_queue(bp, i) @@ -1701,42 +1960,52 @@ load_error1: load_error0: bnx2x_free_mem(bp); - bnx2x_release_firmware(bp); - return rc; +#endif /* ! BNX2X_STOP_ON_ERROR */ } /* must be called with rtnl_lock */ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) { int i; - - if (bp->state == BNX2X_STATE_CLOSED) { - /* Interface has been removed - nothing to recover */ + bool global = false; + + if ((bp->state == BNX2X_STATE_CLOSED) || + (bp->state == BNX2X_STATE_ERROR)) { + /* We can get here if the driver has been unloaded + * during parity error recovery and is either waiting for a + * leader to complete or for other functions to unload and + * then ifdown has been issued. In this case we want to + * unload and let other functions to complete a recovery + * process. + */ bp->recovery_state = BNX2X_RECOVERY_DONE; bp->is_leader = 0; - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08); - smp_wmb(); + bnx2x_release_leader_lock(bp); + smp_mb(); + + DP(NETIF_MSG_HW, "Releasing a leadership...\n"); return -EINVAL; } + /* Stop Tx */ + bnx2x_tx_disable(bp); + #ifdef BCM_CNIC bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD); #endif bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; + smp_mb(); - /* Set "drop all" */ bp->rx_mode = BNX2X_RX_MODE_NONE; - bnx2x_set_storm_rx_mode(bp); - - /* Stop Tx */ - bnx2x_tx_disable(bp); del_timer_sync(&bp->timer); - SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb, - (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); + /* Set ALWAYS_ALIVE bit in shmem */ + bp->fw_drv_pulse_wr_seq |= DRV_PULSE_ALWAYS_ALIVE; + + bnx2x_drv_pulse(bp); bnx2x_stats_handle(bp, STATS_EVENT_STOP); @@ -1744,13 +2013,38 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) if (unload_mode != UNLOAD_RECOVERY) bnx2x_chip_cleanup(bp, unload_mode); else { - /* Disable HW interrupts, NAPI and Tx */ + /* Send the UNLOAD_REQUEST to the MCP */ + bnx2x_send_unload_req(bp, unload_mode); + + /* + * Prevent transactions to host from the functions on the + * engine that doesn't reset global blocks in case of global + * attention once gloabl blocks are reset and gates are opened + * (the engine which leader will perform the recovery + * last). + */ + if (!CHIP_IS_E1x(bp)) + bnx2x_pf_disable(bp); + + /* Disable HW interrupts, NAPI */ bnx2x_netif_stop(bp, 1); /* Release IRQs */ bnx2x_free_irq(bp); + + /* Report UNLOAD_DONE to MCP */ + bnx2x_send_unload_done(bp); } + /* + * At this stage no more interrupts will arrive so we may safly clean + * the queueable objects here in case they failed to get cleaned so far. + */ + bnx2x_squeeze_objects(bp); + + /* There should be no more pending SP commands at this stage */ + bp->sp_state = 0; + bp->port.pmf = 0; /* Free SKBs, SGEs, TPA pool and driver internals */ @@ -1762,17 +2056,24 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) bp->state = BNX2X_STATE_CLOSED; + /* Check if there are pending parity attentions. If there are - set + * RECOVERY_IN_PROGRESS. + */ + if (bnx2x_chk_parity_attn(bp, &global, false)) { + bnx2x_set_reset_in_progress(bp); + + /* Set RESET_IS_GLOBAL if needed */ + if (global) + bnx2x_set_reset_global(bp); + } + + /* The last driver must disable a "close the gate" if there is no * parity attention or "process kill" pending. */ - if ((!bnx2x_dec_load_cnt(bp)) && (!bnx2x_chk_parity_attn(bp)) && - bnx2x_reset_is_done(bp)) + if (!bnx2x_dec_load_cnt(bp) && bnx2x_reset_is_done(bp, BP_PATH(bp))) bnx2x_disable_close_the_gate(bp); - /* Reset MCP mail box sequence if there is on going recovery */ - if (unload_mode == UNLOAD_RECOVERY) - bp->fw_seq = 0; - return 0; } @@ -1834,6 +2135,7 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) int bnx2x_poll(struct napi_struct *napi, int budget) { int work_done = 0; + u8 cos; struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, napi); struct bnx2x *bp = fp->bp; @@ -1846,8 +2148,10 @@ int bnx2x_poll(struct napi_struct *napi, int budget) } #endif - if (bnx2x_has_tx_work(fp)) - bnx2x_tx_int(fp); + for_each_cos_in_tx_queue(fp, cos) + if (bnx2x_tx_queue_has_work(&fp->txdata[cos])) + bnx2x_tx_int(bp, &fp->txdata[cos]); + if (bnx2x_has_rx_work(fp)) { work_done += bnx2x_rx_int(fp, budget - work_done); @@ -1909,7 +2213,7 @@ int bnx2x_poll(struct napi_struct *napi, int budget) * in Other Operating Systems(TM) */ static noinline u16 bnx2x_tx_split(struct bnx2x *bp, - struct bnx2x_fastpath *fp, + struct bnx2x_fp_txdata *txdata, struct sw_tx_bd *tx_buf, struct eth_tx_start_bd **tx_bd, u16 hlen, u16 bd_prod, int nbd) @@ -1930,7 +2234,7 @@ static noinline u16 bnx2x_tx_split(struct bnx2x *bp, /* now get a new data BD * (after the pbd) and fill it */ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - d_tx_bd = &fp->tx_desc_ring[bd_prod].reg_bd; + d_tx_bd = &txdata->tx_desc_ring[bd_prod].reg_bd; mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi), le32_to_cpu(h_tx_bd->addr_lo)) + hlen; @@ -2148,6 +2452,22 @@ static inline u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb, sizeof(struct udphdr) - skb->data; } +static inline void bnx2x_set_sbd_csum(struct bnx2x *bp, struct sk_buff *skb, + struct eth_tx_start_bd *tx_start_bd, u32 xmit_type) +{ + tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_L4_CSUM; + + if (xmit_type & XMIT_CSUM_V4) + tx_start_bd->bd_flags.as_bitfield |= + ETH_TX_BD_FLAGS_IP_CSUM; + else + tx_start_bd->bd_flags.as_bitfield |= + ETH_TX_BD_FLAGS_IPV6; + + if (!(xmit_type & XMIT_CSUM_TCP)) + tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IS_UDP; +} + /** * bnx2x_set_pbd_csum - update PBD with checksum and return header length * @@ -2210,16 +2530,18 @@ static inline u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb, netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct bnx2x *bp = netdev_priv(dev); + struct bnx2x_fastpath *fp; struct netdev_queue *txq; + struct bnx2x_fp_txdata *txdata; struct sw_tx_bd *tx_buf; - struct eth_tx_start_bd *tx_start_bd; + struct eth_tx_start_bd *tx_start_bd, *first_bd; struct eth_tx_bd *tx_data_bd, *total_pkt_bd = NULL; struct eth_tx_parse_bd_e1x *pbd_e1x = NULL; struct eth_tx_parse_bd_e2 *pbd_e2 = NULL; u32 pbd_e2_parsing_data = 0; u16 pkt_prod, bd_prod; - int nbd, fp_index; + int nbd, txq_index, fp_index, txdata_index; dma_addr_t mapping; u32 xmit_type = bnx2x_xmit_type(bp, skb); int i; @@ -2233,12 +2555,43 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; #endif - fp_index = skb_get_queue_mapping(skb); - txq = netdev_get_tx_queue(dev, fp_index); + txq_index = skb_get_queue_mapping(skb); + txq = netdev_get_tx_queue(dev, txq_index); + BUG_ON(txq_index >= MAX_ETH_TXQ_IDX(bp) + FCOE_PRESENT); + + /* decode the fastpath index and the cos index from the txq */ + fp_index = TXQ_TO_FP(txq_index); + txdata_index = TXQ_TO_COS(txq_index); + +#ifdef BCM_CNIC + /* + * Override the above for the FCoE queue: + * - FCoE fp entry is right after the ETH entries. + * - FCoE L2 queue uses bp->txdata[0] only. + */ + if (unlikely(!NO_FCOE(bp) && (txq_index == + bnx2x_fcoe_tx(bp, txq_index)))) { + fp_index = FCOE_IDX; + txdata_index = 0; + } +#endif + + /* enable this debug print to view the transmission queue being used + DP(BNX2X_MSG_FP, "indices: txq %d, fp %d, txdata %d", + txq_index, fp_index, txdata_index); */ + + /* locate the fastpath and the txdata */ fp = &bp->fp[fp_index]; + txdata = &fp->txdata[txdata_index]; - if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) { + /* enable this debug print to view the tranmission details + DP(BNX2X_MSG_FP,"transmitting packet cid %d fp index %d txdata_index %d" + " tx_data ptr %p fp pointer %p", + txdata->cid, fp_index, txdata_index, txdata, fp); */ + + if (unlikely(bnx2x_tx_avail(bp, txdata) < + (skb_shinfo(skb)->nr_frags + 3))) { fp->eth_q_stats.driver_xoff++; netif_tx_stop_queue(txq); BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); @@ -2247,7 +2600,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) DP(NETIF_MSG_TX_QUEUED, "queue[%d]: SKB: summed %x protocol %x " "protocol(%x,%x) gso type %x xmit_type %x\n", - fp_index, skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, + txq_index, skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); eth = (struct ethhdr *)skb->data; @@ -2275,7 +2628,15 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) } } #endif - + /* Map skb linear data for DMA */ + mapping = dma_map_single(&bp->pdev->dev, skb->data, + skb_headlen(skb), DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { + DP(NETIF_MSG_TX_QUEUED, "SKB mapping failed - " + "silently dropping this SKB\n"); + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } /* Please read carefully. First we use one BD which we mark as start, then we have a parsing info BD (used for TSO or xsum), @@ -2285,12 +2646,19 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) And above all, all pdb sizes are in words - NOT DWORDS! */ - pkt_prod = fp->tx_pkt_prod++; - bd_prod = TX_BD(fp->tx_bd_prod); + /* get current pkt produced now - advance it just before sending packet + * since mapping of pages may fail and cause packet to be dropped + */ + pkt_prod = txdata->tx_pkt_prod; + bd_prod = TX_BD(txdata->tx_bd_prod); - /* get a tx_buf and first BD */ - tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; - tx_start_bd = &fp->tx_desc_ring[bd_prod].start_bd; + /* get a tx_buf and first BD + * tx_start_bd may be changed during SPLIT, + * but first_bd will always stay first + */ + tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)]; + tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd; + first_bd = tx_start_bd; tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; SET_FLAG(tx_start_bd->general_data, ETH_TX_START_BD_ETH_ADDR_TYPE, @@ -2300,13 +2668,13 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) SET_FLAG(tx_start_bd->general_data, ETH_TX_START_BD_HDR_NBDS, 1); /* remember the first BD of the packet */ - tx_buf->first_bd = fp->tx_bd_prod; + tx_buf->first_bd = txdata->tx_bd_prod; tx_buf->skb = skb; tx_buf->flags = 0; DP(NETIF_MSG_TX_QUEUED, "sending pkt %u @%p next_idx %u bd %u @%p\n", - pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_start_bd); + pkt_prod, tx_buf, txdata->tx_pkt_prod, bd_prod, tx_start_bd); if (vlan_tx_tag_present(skb)) { tx_start_bd->vlan_or_ethertype = @@ -2319,31 +2687,33 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) /* turn on parsing and get a BD */ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - if (xmit_type & XMIT_CSUM) { - tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_L4_CSUM; - - if (xmit_type & XMIT_CSUM_V4) - tx_start_bd->bd_flags.as_bitfield |= - ETH_TX_BD_FLAGS_IP_CSUM; - else - tx_start_bd->bd_flags.as_bitfield |= - ETH_TX_BD_FLAGS_IPV6; - - if (!(xmit_type & XMIT_CSUM_TCP)) - tx_start_bd->bd_flags.as_bitfield |= - ETH_TX_BD_FLAGS_IS_UDP; - } + if (xmit_type & XMIT_CSUM) + bnx2x_set_sbd_csum(bp, skb, tx_start_bd, xmit_type); - if (CHIP_IS_E2(bp)) { - pbd_e2 = &fp->tx_desc_ring[bd_prod].parse_bd_e2; + if (!CHIP_IS_E1x(bp)) { + pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2; memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2)); /* Set PBD in checksum offload case */ if (xmit_type & XMIT_CSUM) hlen = bnx2x_set_pbd_csum_e2(bp, skb, &pbd_e2_parsing_data, xmit_type); + if (IS_MF_SI(bp)) { + /* + * fill in the MAC addresses in the PBD - for local + * switching + */ + bnx2x_set_fw_mac_addr(&pbd_e2->src_mac_addr_hi, + &pbd_e2->src_mac_addr_mid, + &pbd_e2->src_mac_addr_lo, + eth->h_source); + bnx2x_set_fw_mac_addr(&pbd_e2->dst_mac_addr_hi, + &pbd_e2->dst_mac_addr_mid, + &pbd_e2->dst_mac_addr_lo, + eth->h_dest); + } } else { - pbd_e1x = &fp->tx_desc_ring[bd_prod].parse_bd_e1x; + pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x; memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x)); /* Set PBD in checksum offload case */ if (xmit_type & XMIT_CSUM) @@ -2351,15 +2721,10 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) } - /* Map skb linear data for DMA */ - mapping = dma_map_single(&bp->pdev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - /* Setup the data pointer of the first BD of the packet */ tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); - nbd = skb_shinfo(skb)->nr_frags + 2; /* start_bd + pbd + frags */ - tx_start_bd->nbd = cpu_to_le16(nbd); + nbd = 2; /* start_bd + pbd + frags (updated when pages are mapped) */ tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); pkt_size = tx_start_bd->nbytes; @@ -2380,9 +2745,10 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; if (unlikely(skb_headlen(skb) > hlen)) - bd_prod = bnx2x_tx_split(bp, fp, tx_buf, &tx_start_bd, - hlen, bd_prod, ++nbd); - if (CHIP_IS_E2(bp)) + bd_prod = bnx2x_tx_split(bp, txdata, tx_buf, + &tx_start_bd, hlen, + bd_prod, ++nbd); + if (!CHIP_IS_E1x(bp)) bnx2x_set_pbd_gso_e2(skb, &pbd_e2_parsing_data, xmit_type); else @@ -2401,19 +2767,35 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + mapping = dma_map_page(&bp->pdev->dev, frag->page, + frag->page_offset, frag->size, + DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { + + DP(NETIF_MSG_TX_QUEUED, "Unable to map page - " + "dropping packet...\n"); + + /* we need unmap all buffers already mapped + * for this SKB; + * first_bd->nbd need to be properly updated + * before call to bnx2x_free_tx_pkt + */ + first_bd->nbd = cpu_to_le16(nbd); + bnx2x_free_tx_pkt(bp, txdata, + TX_BD(txdata->tx_pkt_prod)); + return NETDEV_TX_OK; + } + bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - tx_data_bd = &fp->tx_desc_ring[bd_prod].reg_bd; + tx_data_bd = &txdata->tx_desc_ring[bd_prod].reg_bd; if (total_pkt_bd == NULL) - total_pkt_bd = &fp->tx_desc_ring[bd_prod].reg_bd; - - mapping = dma_map_page(&bp->pdev->dev, frag->page, - frag->page_offset, - frag->size, DMA_TO_DEVICE); + total_pkt_bd = &txdata->tx_desc_ring[bd_prod].reg_bd; tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); tx_data_bd->nbytes = cpu_to_le16(frag->size); le16_add_cpu(&pkt_size, frag->size); + nbd++; DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p addr (%x:%x) nbytes %d\n", @@ -2423,6 +2805,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) DP(NETIF_MSG_TX_QUEUED, "last bd @%p\n", tx_data_bd); + /* update with actual num BDs */ + first_bd->nbd = cpu_to_le16(nbd); + bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); /* now send a tx doorbell, counting the next BD @@ -2431,6 +2816,13 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) if (TX_BD_POFF(bd_prod) < nbd) nbd++; + /* total_pkt_bytes should be set on the first data BD if + * it's not an LSO packet and there is more than one + * data BD. In this case pkt_size is limited by an MTU value. + * However we prefer to set it for an LSO packet (while we don't + * have to) in order to save some CPU cycles in a none-LSO + * case, when we much more care about them. + */ if (total_pkt_bd != NULL) total_pkt_bd->total_pkt_bytes = pkt_size; @@ -2451,6 +2843,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) pbd_e2->parsing_data); DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod); + txdata->tx_pkt_prod++; /* * Make sure that the BD data is updated before updating the producer * since FW might read the BD right after the producer is updated. @@ -2460,16 +2853,16 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) */ wmb(); - fp->tx_db.data.prod += nbd; + txdata->tx_db.data.prod += nbd; barrier(); - DOORBELL(bp, fp->cid, fp->tx_db.raw); + DOORBELL(bp, txdata->cid, txdata->tx_db.raw); mmiowb(); - fp->tx_bd_prod += nbd; + txdata->tx_bd_prod += nbd; - if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { + if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_SKB_FRAGS + 3)) { netif_tx_stop_queue(txq); /* paired memory barrier is in bnx2x_tx_int(), we have to keep @@ -2478,34 +2871,110 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) smp_mb(); fp->eth_q_stats.driver_xoff++; - if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) + if (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3) netif_tx_wake_queue(txq); } - fp->tx_pkt++; + txdata->tx_pkt++; return NETDEV_TX_OK; } +/** + * bnx2x_setup_tc - routine to configure net_device for multi tc + * + * @netdev: net device to configure + * @tc: number of traffic classes to enable + * + * callback connected to the ndo_setup_tc function pointer + */ +int bnx2x_setup_tc(struct net_device *dev, u8 num_tc) +{ + int cos, prio, count, offset; + struct bnx2x *bp = netdev_priv(dev); + + /* setup tc must be called under rtnl lock */ + ASSERT_RTNL(); + + /* no traffic classes requested. aborting */ + if (!num_tc) { + netdev_reset_tc(dev); + return 0; + } + + /* requested to support too many traffic classes */ + if (num_tc > bp->max_cos) { + DP(NETIF_MSG_TX_ERR, "support for too many traffic classes" + " requested: %d. max supported is %d", + num_tc, bp->max_cos); + return -EINVAL; + } + + /* declare amount of supported traffic classes */ + if (netdev_set_num_tc(dev, num_tc)) { + DP(NETIF_MSG_TX_ERR, "failed to declare %d traffic classes", + num_tc); + return -EINVAL; + } + + /* configure priority to traffic class mapping */ + for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { + netdev_set_prio_tc_map(dev, prio, bp->prio_to_cos[prio]); + DP(BNX2X_MSG_SP, "mapping priority %d to tc %d", + prio, bp->prio_to_cos[prio]); + } + + + /* Use this configuration to diffrentiate tc0 from other COSes + This can be used for ets or pfc, and save the effort of setting + up a multio class queue disc or negotiating DCBX with a switch + netdev_set_prio_tc_map(dev, 0, 0); + DP(BNX2X_MSG_SP, "mapping priority %d to tc %d", 0, 0); + for (prio = 1; prio < 16; prio++) { + netdev_set_prio_tc_map(dev, prio, 1); + DP(BNX2X_MSG_SP, "mapping priority %d to tc %d", prio, 1); + } */ + + /* configure traffic class to transmission queue mapping */ + for (cos = 0; cos < bp->max_cos; cos++) { + count = BNX2X_NUM_ETH_QUEUES(bp); + offset = cos * MAX_TXQS_PER_COS; + netdev_set_tc_queue(dev, cos, count, offset); + DP(BNX2X_MSG_SP, "mapping tc %d to offset %d count %d", + cos, offset, count); + } + + return 0; +} + /* called with rtnl_lock */ int bnx2x_change_mac_addr(struct net_device *dev, void *p) { struct sockaddr *addr = p; struct bnx2x *bp = netdev_priv(dev); + int rc = 0; if (!is_valid_ether_addr((u8 *)(addr->sa_data))) return -EINVAL; + if (netif_running(dev)) { + rc = bnx2x_set_eth_mac(bp, false); + if (rc) + return rc; + } + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + if (netif_running(dev)) - bnx2x_set_eth_mac(bp, 1); + rc = bnx2x_set_eth_mac(bp, true); - return 0; + return rc; } static void bnx2x_free_fp_mem_at(struct bnx2x *bp, int fp_index) { union host_hc_status_block *sb = &bnx2x_fp(bp, fp_index, status_blk); struct bnx2x_fastpath *fp = &bp->fp[fp_index]; + u8 cos; /* Common */ #ifdef BCM_CNIC @@ -2516,7 +2985,7 @@ static void bnx2x_free_fp_mem_at(struct bnx2x *bp, int fp_index) } else { #endif /* status blocks */ - if (CHIP_IS_E2(bp)) + if (!CHIP_IS_E1x(bp)) BNX2X_PCI_FREE(sb->e2_sb, bnx2x_fp(bp, fp_index, status_blk_mapping), @@ -2554,10 +3023,18 @@ static void bnx2x_free_fp_mem_at(struct bnx2x *bp, int fp_index) /* Tx */ if (!skip_tx_queue(bp, fp_index)) { /* fastpath tx rings: tx_buf tx_desc */ - BNX2X_FREE(bnx2x_fp(bp, fp_index, tx_buf_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, tx_desc_ring), - bnx2x_fp(bp, fp_index, tx_desc_mapping), - sizeof(union eth_tx_bd_types) * NUM_TX_BD); + for_each_cos_in_tx_queue(fp, cos) { + struct bnx2x_fp_txdata *txdata = &fp->txdata[cos]; + + DP(BNX2X_MSG_SP, + "freeing tx memory of fp %d cos %d cid %d", + fp_index, cos, txdata->cid); + + BNX2X_FREE(txdata->tx_buf_ring); + BNX2X_PCI_FREE(txdata->tx_desc_ring, + txdata->tx_desc_mapping, + sizeof(union eth_tx_bd_types) * NUM_TX_BD); + } } /* end of fastpath */ } @@ -2572,7 +3049,7 @@ void bnx2x_free_fp_mem(struct bnx2x *bp) static inline void set_sb_shortcuts(struct bnx2x *bp, int index) { union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk); - if (CHIP_IS_E2(bp)) { + if (!CHIP_IS_E1x(bp)) { bnx2x_fp(bp, index, sb_index_values) = (__le16 *)status_blk.e2_sb->sb.index_values; bnx2x_fp(bp, index, sb_running_index) = @@ -2590,26 +3067,24 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) union host_hc_status_block *sb; struct bnx2x_fastpath *fp = &bp->fp[index]; int ring_size = 0; + u8 cos; /* if rx_ring_size specified - use it */ int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size : - MAX_RX_AVAIL/bp->num_queues; + MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); /* allocate at least number of buffers required by FW */ - rx_ring_size = max_t(int, fp->disable_tpa ? MIN_RX_SIZE_NONTPA : + rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA, rx_ring_size); - bnx2x_fp(bp, index, bp) = bp; - bnx2x_fp(bp, index, index) = index; - /* Common */ sb = &bnx2x_fp(bp, index, status_blk); #ifdef BCM_CNIC if (!IS_FCOE_IDX(index)) { #endif /* status blocks */ - if (CHIP_IS_E2(bp)) + if (!CHIP_IS_E1x(bp)) BNX2X_PCI_ALLOC(sb->e2_sb, &bnx2x_fp(bp, index, status_blk_mapping), sizeof(struct host_hc_status_block_e2)); @@ -2620,16 +3095,29 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) #ifdef BCM_CNIC } #endif - set_sb_shortcuts(bp, index); + + /* FCoE Queue uses Default SB and doesn't ACK the SB, thus no need to + * set shortcuts for it. + */ + if (!IS_FCOE_IDX(index)) + set_sb_shortcuts(bp, index); /* Tx */ if (!skip_tx_queue(bp, index)) { /* fastpath tx rings: tx_buf tx_desc */ - BNX2X_ALLOC(bnx2x_fp(bp, index, tx_buf_ring), + for_each_cos_in_tx_queue(fp, cos) { + struct bnx2x_fp_txdata *txdata = &fp->txdata[cos]; + + DP(BNX2X_MSG_SP, "allocating tx memory of " + "fp %d cos %d", + index, cos); + + BNX2X_ALLOC(txdata->tx_buf_ring, sizeof(struct sw_tx_bd) * NUM_TX_BD); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, tx_desc_ring), - &bnx2x_fp(bp, index, tx_desc_mapping), + BNX2X_PCI_ALLOC(txdata->tx_desc_ring, + &txdata->tx_desc_mapping, sizeof(union eth_tx_bd_types) * NUM_TX_BD); + } } /* Rx */ @@ -2672,7 +3160,7 @@ alloc_mem_err: index, ring_size); /* FW will drop all packets if queue is not big enough, * In these cases we disable the queue - * Min size diferent for TPA and non-TPA queues + * Min size is different for OOO, TPA and non-TPA queues */ if (ring_size < (fp->disable_tpa ? MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA)) { @@ -2690,17 +3178,24 @@ int bnx2x_alloc_fp_mem(struct bnx2x *bp) /** * 1. Allocate FP for leading - fatal if error * 2. {CNIC} Allocate FCoE FP - fatal if error - * 3. Allocate RSS - fix number of queues if error + * 3. {CNIC} Allocate OOO + FWD - disable OOO if error + * 4. Allocate RSS - fix number of queues if error */ /* leading */ if (bnx2x_alloc_fp_mem_at(bp, 0)) return -ENOMEM; + #ifdef BCM_CNIC - /* FCoE */ - if (bnx2x_alloc_fp_mem_at(bp, FCOE_IDX)) - return -ENOMEM; + if (!NO_FCOE(bp)) + /* FCoE */ + if (bnx2x_alloc_fp_mem_at(bp, FCOE_IDX)) + /* we will fail load process instead of mark + * NO_FCOE_FLAG + */ + return -ENOMEM; #endif + /* RSS */ for_each_nondefault_eth_queue(bp, i) if (bnx2x_alloc_fp_mem_at(bp, i)) @@ -2718,7 +3213,7 @@ int bnx2x_alloc_fp_mem(struct bnx2x *bp) * FCOE_IDX < FWD_IDX < OOO_IDX */ - /* move FCoE fp */ + /* move FCoE fp even NO_FCOE_FLAG is on */ bnx2x_move_fp(bp, FCOE_IDX, FCOE_IDX - delta); #endif bp->num_queues -= delta; @@ -2729,30 +3224,6 @@ int bnx2x_alloc_fp_mem(struct bnx2x *bp) return 0; } -static int bnx2x_setup_irqs(struct bnx2x *bp) -{ - int rc = 0; - if (bp->flags & USING_MSIX_FLAG) { - rc = bnx2x_req_msix_irqs(bp); - if (rc) - return rc; - } else { - bnx2x_ack_int(bp); - rc = bnx2x_req_irq(bp); - if (rc) { - BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); - return rc; - } - if (bp->flags & USING_MSI_FLAG) { - bp->dev->irq = bp->pdev->irq; - netdev_info(bp->dev, "using MSI IRQ %d\n", - bp->pdev->irq); - } - } - - return 0; -} - void bnx2x_free_mem_bp(struct bnx2x *bp) { kfree(bp->fp); @@ -2765,16 +3236,23 @@ int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp) struct bnx2x_fastpath *fp; struct msix_entry *tbl; struct bnx2x_ilt *ilt; + int msix_table_size = 0; + + /* + * The biggest MSI-X table we might need is as a maximum number of fast + * path IGU SBs plus default SB (for PF). + */ + msix_table_size = bp->igu_sb_cnt + 1; - /* fp array */ - fp = kzalloc(L2_FP_COUNT(bp->l2_cid_count)*sizeof(*fp), GFP_KERNEL); + /* fp array: RSS plus CNIC related L2 queues */ + fp = kzalloc((BNX2X_MAX_RSS_COUNT(bp) + NON_ETH_CONTEXT_USE) * + sizeof(*fp), GFP_KERNEL); if (!fp) goto alloc_err; bp->fp = fp; /* msix table */ - tbl = kzalloc((FP_SB_COUNT(bp->l2_cid_count) + 1) * sizeof(*tbl), - GFP_KERNEL); + tbl = kzalloc(msix_table_size * sizeof(*tbl), GFP_KERNEL); if (!tbl) goto alloc_err; bp->msix_table = tbl; @@ -2792,7 +3270,7 @@ alloc_err: } -static int bnx2x_reload_if_running(struct net_device *dev) +int bnx2x_reload_if_running(struct net_device *dev) { struct bnx2x *bp = netdev_priv(dev); @@ -2803,6 +3281,78 @@ static int bnx2x_reload_if_running(struct net_device *dev) return bnx2x_nic_load(bp, LOAD_NORMAL); } +int bnx2x_get_cur_phy_idx(struct bnx2x *bp) +{ + u32 sel_phy_idx = 0; + if (bp->link_params.num_phys <= 1) + return INT_PHY; + + if (bp->link_vars.link_up) { + sel_phy_idx = EXT_PHY1; + /* In case link is SERDES, check if the EXT_PHY2 is the one */ + if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) && + (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE)) + sel_phy_idx = EXT_PHY2; + } else { + + switch (bnx2x_phy_selection(&bp->link_params)) { + case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: + case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: + case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: + sel_phy_idx = EXT_PHY1; + break; + case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: + case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: + sel_phy_idx = EXT_PHY2; + break; + } + } + + return sel_phy_idx; + +} +int bnx2x_get_link_cfg_idx(struct bnx2x *bp) +{ + u32 sel_phy_idx = bnx2x_get_cur_phy_idx(bp); + /* + * The selected actived PHY is always after swapping (in case PHY + * swapping is enabled). So when swapping is enabled, we need to reverse + * the configuration + */ + + if (bp->link_params.multi_phy_config & + PORT_HW_CFG_PHY_SWAPPED_ENABLED) { + if (sel_phy_idx == EXT_PHY1) + sel_phy_idx = EXT_PHY2; + else if (sel_phy_idx == EXT_PHY2) + sel_phy_idx = EXT_PHY1; + } + return LINK_CONFIG_IDX(sel_phy_idx); +} + +#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC) +int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type) +{ + struct bnx2x *bp = netdev_priv(dev); + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + + switch (type) { + case NETDEV_FCOE_WWNN: + *wwn = HILO_U64(cp->fcoe_wwn_node_name_hi, + cp->fcoe_wwn_node_name_lo); + break; + case NETDEV_FCOE_WWPN: + *wwn = HILO_U64(cp->fcoe_wwn_port_name_hi, + cp->fcoe_wwn_port_name_lo); + break; + default: + return -EINVAL; + } + + return 0; +} +#endif + /* called with rtnl_lock */ int bnx2x_change_mtu(struct net_device *dev, int new_mtu) { @@ -2882,8 +3432,13 @@ void bnx2x_tx_timeout(struct net_device *dev) if (!bp->panic) bnx2x_panic(); #endif + + smp_mb__before_clear_bit(); + set_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state); + smp_mb__after_clear_bit(); + /* This allows the netif to be shutdown gracefully before resetting */ - schedule_delayed_work(&bp->reset_task, 0); + schedule_delayed_work(&bp->sp_rtnl_task, 0); } int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) @@ -2954,3 +3509,57 @@ int bnx2x_resume(struct pci_dev *pdev) return rc; } + + +void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt, + u32 cid) +{ + /* ustorm cxt validation */ + cxt->ustorm_ag_context.cdu_usage = + CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, cid), + CDU_REGION_NUMBER_UCM_AG, ETH_CONNECTION_TYPE); + /* xcontext validation */ + cxt->xstorm_ag_context.cdu_reserved = + CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, cid), + CDU_REGION_NUMBER_XCM_AG, ETH_CONNECTION_TYPE); +} + +static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port, + u8 fw_sb_id, u8 sb_index, + u8 ticks) +{ + + u32 addr = BAR_CSTRORM_INTMEM + + CSTORM_STATUS_BLOCK_DATA_TIMEOUT_OFFSET(fw_sb_id, sb_index); + REG_WR8(bp, addr, ticks); + DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n", + port, fw_sb_id, sb_index, ticks); +} + +static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port, + u16 fw_sb_id, u8 sb_index, + u8 disable) +{ + u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT); + u32 addr = BAR_CSTRORM_INTMEM + + CSTORM_STATUS_BLOCK_DATA_FLAGS_OFFSET(fw_sb_id, sb_index); + u16 flags = REG_RD16(bp, addr); + /* clear and set */ + flags &= ~HC_INDEX_DATA_HC_ENABLED; + flags |= enable_flag; + REG_WR16(bp, addr, flags); + DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n", + port, fw_sb_id, sb_index, disable); +} + +void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id, + u8 sb_index, u8 disable, u16 usec) +{ + int port = BP_PORT(bp); + u8 ticks = usec / BNX2X_BTR; + + storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks); + + disable = disable ? 1 : (usec ? 0 : 1); + storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable); +} |