diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index aee5facc89b5..9a0694ae54c2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -24,6 +24,12 @@ #include "hnae3.h" #include "hns3_enet.h" +/* All hns3 tracepoints are defined by the include below, which + * must be included exactly once across the whole kernel with + * CREATE_TRACE_POINTS defined + */ +#define CREATE_TRACE_POINTS +#include "hns3_trace.h" #define hns3_set_field(origin, shift, val) ((origin) |= ((val) << (shift))) #define hns3_tx_bd_count(S) DIV_ROUND_UP(S, HNS3_MAX_BD_SIZE) @@ -734,6 +740,8 @@ static int hns3_set_tso(struct sk_buff *skb, u32 *paylen, /* get MSS for TSO */ *mss = skb_shinfo(skb)->gso_size; + trace_hns3_tso(skb); + return 0; } @@ -1138,6 +1146,7 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv, desc->tx.bdtp_fe_sc_vld_ra_ri = cpu_to_le16(BIT(HNS3_TXD_VLD_B)); + trace_hns3_tx_desc(ring, ring->next_to_use); ring_ptr_move_fw(ring, next_to_use); return HNS3_LIKELY_BD_NUM; } @@ -1161,6 +1170,7 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv, desc->tx.bdtp_fe_sc_vld_ra_ri = cpu_to_le16(BIT(HNS3_TXD_VLD_B)); + trace_hns3_tx_desc(ring, ring->next_to_use); /* move ring pointer to next */ ring_ptr_move_fw(ring, next_to_use); @@ -1286,6 +1296,14 @@ static bool hns3_skb_need_linearized(struct sk_buff *skb, unsigned int *bd_size, return false; } +void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size) +{ + int i = 0; + + for (i = 0; i < MAX_SKB_FRAGS; i++) + size[i] = skb_frag_size(&shinfo->frags[i]); +} + static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring, struct net_device *netdev, struct sk_buff *skb) @@ -1297,8 +1315,10 @@ static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring, bd_num = hns3_tx_bd_num(skb, bd_size); if (unlikely(bd_num > HNS3_MAX_NON_TSO_BD_NUM)) { if (bd_num <= HNS3_MAX_TSO_BD_NUM && skb_is_gso(skb) && - !hns3_skb_need_linearized(skb, bd_size, bd_num)) + !hns3_skb_need_linearized(skb, bd_size, bd_num)) { + trace_hns3_over_8bd(skb); goto out; + } if (__skb_linearize(skb)) return -ENOMEM; @@ -1306,8 +1326,10 @@ static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring, bd_num = hns3_tx_bd_count(skb->len); if ((skb_is_gso(skb) && bd_num > HNS3_MAX_TSO_BD_NUM) || (!skb_is_gso(skb) && - bd_num > HNS3_MAX_NON_TSO_BD_NUM)) + bd_num > HNS3_MAX_NON_TSO_BD_NUM)) { + trace_hns3_over_8bd(skb); return -ENOMEM; + } u64_stats_update_begin(&ring->syncp); ring->stats.tx_copy++; @@ -1448,6 +1470,7 @@ out: (ring->desc_num - 1); ring->desc[pre_ntu].tx.bdtp_fe_sc_vld_ra_ri |= cpu_to_le16(BIT(HNS3_TXD_FE_B)); + trace_hns3_tx_desc(ring, pre_ntu); /* Complete translate all packets */ dev_queue = netdev_get_tx_queue(netdev, ring->queue_index); @@ -2700,6 +2723,9 @@ static int hns3_gro_complete(struct sk_buff *skb, u32 l234info) skb->csum_start = (unsigned char *)th - skb->head; skb->csum_offset = offsetof(struct tcphdr, check); skb->ip_summed = CHECKSUM_PARTIAL; + + trace_hns3_gro(skb); + return 0; } @@ -2836,6 +2862,7 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length, return -ENOMEM; } + trace_hns3_rx_desc(ring); prefetchw(skb->data); ring->pending_buf = 1; @@ -2910,6 +2937,7 @@ static int hns3_add_frag(struct hns3_enet_ring *ring) } hns3_nic_reuse_page(skb, ring->frag_num++, ring, 0, desc_cb); + trace_hns3_rx_desc(ring); ring_ptr_move_fw(ring, next_to_clean); ring->pending_buf++; } while (!(bd_base_info & BIT(HNS3_RXD_FE_B))); |