diff options
Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/mana_en.c')
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/mana_en.c | 62 |
1 files changed, 59 insertions, 3 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index 6120f2b6684f..492474b4d8aa 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -156,6 +156,7 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct mana_txq *txq; struct mana_cq *cq; int err, len; + u16 ihs; if (unlikely(!apc->port_is_up)) goto tx_drop; @@ -166,6 +167,7 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) txq = &apc->tx_qp[txq_idx].txq; gdma_sq = txq->gdma_sq; cq = &apc->tx_qp[txq_idx].tx_cq; + tx_stats = &txq->stats; pkg.tx_oob.s_oob.vcq_num = cq->gdma_id; pkg.tx_oob.s_oob.vsq_frame = txq->vsq_frame; @@ -179,10 +181,17 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) pkg.tx_oob.s_oob.pkt_fmt = pkt_fmt; - if (pkt_fmt == MANA_SHORT_PKT_FMT) + if (pkt_fmt == MANA_SHORT_PKT_FMT) { pkg.wqe_req.inline_oob_size = sizeof(struct mana_tx_short_oob); - else + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->short_pkt_fmt++; + u64_stats_update_end(&tx_stats->syncp); + } else { pkg.wqe_req.inline_oob_size = sizeof(struct mana_tx_oob); + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->long_pkt_fmt++; + u64_stats_update_end(&tx_stats->syncp); + } pkg.wqe_req.inline_oob_data = &pkg.tx_oob; pkg.wqe_req.flags = 0; @@ -232,9 +241,35 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) &ipv6_hdr(skb)->daddr, 0, IPPROTO_TCP, 0); } + + if (skb->encapsulation) { + ihs = skb_inner_tcp_all_headers(skb); + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->tso_inner_packets++; + tx_stats->tso_inner_bytes += skb->len - ihs; + u64_stats_update_end(&tx_stats->syncp); + } else { + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) { + ihs = skb_transport_offset(skb) + sizeof(struct udphdr); + } else { + ihs = skb_tcp_all_headers(skb); + if (ipv6_has_hopopt_jumbo(skb)) + ihs -= sizeof(struct hop_jumbo_hdr); + } + + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->tso_packets++; + tx_stats->tso_bytes += skb->len - ihs; + u64_stats_update_end(&tx_stats->syncp); + } + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { csum_type = mana_checksum_info(skb); + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->csum_partial++; + u64_stats_update_end(&tx_stats->syncp); + if (csum_type == IPPROTO_TCP) { pkg.tx_oob.s_oob.is_outer_ipv4 = ipv4; pkg.tx_oob.s_oob.is_outer_ipv6 = ipv6; @@ -254,8 +289,12 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) } } - if (mana_map_skb(skb, apc, &pkg)) + if (mana_map_skb(skb, apc, &pkg)) { + u64_stats_update_begin(&tx_stats->syncp); + tx_stats->mana_map_err++; + u64_stats_update_end(&tx_stats->syncp); goto free_sgl_ptr; + } skb_queue_tail(&txq->pending_skbs, skb); @@ -1038,6 +1077,8 @@ static void mana_poll_tx_cq(struct mana_cq *cq) if (comp_read < 1) return; + apc->eth_stats.tx_cqes = comp_read; + for (i = 0; i < comp_read; i++) { struct mana_tx_comp_oob *cqe_oob; @@ -1064,6 +1105,7 @@ static void mana_poll_tx_cq(struct mana_cq *cq) case CQE_TX_VLAN_TAGGING_VIOLATION: WARN_ONCE(1, "TX: CQE error %d: ignored.\n", cqe_oob->cqe_hdr.cqe_type); + apc->eth_stats.tx_cqe_err++; break; default: @@ -1072,6 +1114,7 @@ static void mana_poll_tx_cq(struct mana_cq *cq) */ WARN_ONCE(1, "TX: Unexpected CQE type %d: HW BUG?\n", cqe_oob->cqe_hdr.cqe_type); + apc->eth_stats.tx_cqe_unknown_type++; return; } @@ -1118,6 +1161,8 @@ static void mana_poll_tx_cq(struct mana_cq *cq) WARN_ON_ONCE(1); cq->work_done = pkt_transmitted; + + apc->eth_stats.tx_cqes -= pkt_transmitted; } static void mana_post_pkt_rxq(struct mana_rxq *rxq) @@ -1252,12 +1297,15 @@ static void mana_process_rx_cqe(struct mana_rxq *rxq, struct mana_cq *cq, struct gdma_context *gc = rxq->gdma_rq->gdma_dev->gdma_context; struct net_device *ndev = rxq->ndev; struct mana_recv_buf_oob *rxbuf_oob; + struct mana_port_context *apc; struct device *dev = gc->dev; void *new_buf, *old_buf; struct page *new_page; u32 curr, pktlen; dma_addr_t da; + apc = netdev_priv(ndev); + switch (oob->cqe_hdr.cqe_type) { case CQE_RX_OKAY: break; @@ -1270,6 +1318,7 @@ static void mana_process_rx_cqe(struct mana_rxq *rxq, struct mana_cq *cq, case CQE_RX_COALESCED_4: netdev_err(ndev, "RX coalescing is unsupported\n"); + apc->eth_stats.rx_coalesced_err++; return; case CQE_RX_OBJECT_FENCE: @@ -1279,6 +1328,7 @@ static void mana_process_rx_cqe(struct mana_rxq *rxq, struct mana_cq *cq, default: netdev_err(ndev, "Unknown RX CQE type = %d\n", oob->cqe_hdr.cqe_type); + apc->eth_stats.rx_cqe_unknown_type++; return; } @@ -1341,11 +1391,15 @@ static void mana_poll_rx_cq(struct mana_cq *cq) { struct gdma_comp *comp = cq->gdma_comp_buf; struct mana_rxq *rxq = cq->rxq; + struct mana_port_context *apc; int comp_read, i; + apc = netdev_priv(rxq->ndev); + comp_read = mana_gd_poll_cq(cq->gdma_cq, comp, CQE_POLLING_BUFFER); WARN_ON_ONCE(comp_read > CQE_POLLING_BUFFER); + apc->eth_stats.rx_cqes = comp_read; rxq->xdp_flush = false; for (i = 0; i < comp_read; i++) { @@ -1357,6 +1411,8 @@ static void mana_poll_rx_cq(struct mana_cq *cq) return; mana_process_rx_cqe(rxq, cq, &comp[i]); + + apc->eth_stats.rx_cqes--; } if (rxq->xdp_flush) |