diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 35 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.h | 2 |
3 files changed, 35 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 6a959e8b1f9d..2175d6972dc3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -37,6 +37,7 @@ #include <net/busy_poll.h> #include <net/ip6_checksum.h> #include <net/page_pool.h> +#include <net/inet_ecn.h> #include "en.h" #include "en_tc.h" #include "eswitch.h" @@ -690,12 +691,29 @@ static inline void mlx5e_skb_set_hash(struct mlx5_cqe64 *cqe, skb_set_hash(skb, be32_to_cpu(cqe->rss_hash_result), ht); } -static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth) +static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth, + __be16 *proto) { - __be16 ethertype = ((struct ethhdr *)skb->data)->h_proto; + *proto = ((struct ethhdr *)skb->data)->h_proto; + *proto = __vlan_get_protocol(skb, *proto, network_depth); + return (*proto == htons(ETH_P_IP) || *proto == htons(ETH_P_IPV6)); +} + +static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb) +{ + int network_depth = 0; + __be16 proto; + void *ip; + int rc; - ethertype = __vlan_get_protocol(skb, ethertype, network_depth); - return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6)); + if (unlikely(!is_last_ethertype_ip(skb, &network_depth, &proto))) + return; + + ip = skb->data + network_depth; + rc = ((proto == htons(ETH_P_IP)) ? IP_ECN_set_ce((struct iphdr *)ip) : + IP6_ECN_set_ce(skb, (struct ipv6hdr *)ip)); + + rq->stats->ecn_mark += !!rc; } static __be32 mlx5e_get_fcs(struct sk_buff *skb) @@ -745,6 +763,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, { struct mlx5e_rq_stats *stats = rq->stats; int network_depth = 0; + __be16 proto; if (unlikely(!(netdev->features & NETIF_F_RXCSUM))) goto csum_none; @@ -755,7 +774,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, return; } - if (likely(is_last_ethertype_ip(skb, &network_depth))) { + if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) { skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = csum_unfold((__force __sum16)cqe->check_sum); if (network_depth > ETH_HLEN) @@ -790,6 +809,8 @@ csum_none: stats->csum_none++; } +#define MLX5E_CE_BIT_MASK 0x80 + static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, u32 cqe_bcnt, struct mlx5e_rq *rq, @@ -834,6 +855,10 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, skb->mark = be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK; mlx5e_handle_csum(netdev, cqe, rq, skb, !!lro_num_seg); + /* checking CE bit in cqe - MSB in ml_path field */ + if (unlikely(cqe->ml_path & MLX5E_CE_BIT_MASK)) + mlx5e_enable_ecn(rq, skb); + skb->protocol = eth_type_trans(skb, netdev); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 6839481f7697..90c7607b1f44 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -53,6 +53,7 @@ static const struct counter_desc sw_stats_desc[] = { { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_packets) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_bytes) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_ecn_mark) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_removed_vlan_packets) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_none) }, @@ -144,6 +145,7 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv) s->rx_bytes += rq_stats->bytes; s->rx_lro_packets += rq_stats->lro_packets; s->rx_lro_bytes += rq_stats->lro_bytes; + s->rx_ecn_mark += rq_stats->ecn_mark; s->rx_removed_vlan_packets += rq_stats->removed_vlan_packets; s->rx_csum_none += rq_stats->csum_none; s->rx_csum_complete += rq_stats->csum_complete; @@ -1144,6 +1146,7 @@ static const struct counter_desc rq_stats_desc[] = { { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_redirect) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_packets) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_bytes) }, + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, ecn_mark) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, removed_vlan_packets) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, wqe_err) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, mpwqe_filler_cqes) }, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index a4c035aedd46..a5fb3dc27f50 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -66,6 +66,7 @@ struct mlx5e_sw_stats { u64 tx_nop; u64 rx_lro_packets; u64 rx_lro_bytes; + u64 rx_ecn_mark; u64 rx_removed_vlan_packets; u64 rx_csum_unnecessary; u64 rx_csum_none; @@ -184,6 +185,7 @@ struct mlx5e_rq_stats { u64 csum_none; u64 lro_packets; u64 lro_bytes; + u64 ecn_mark; u64 removed_vlan_packets; u64 xdp_drop; u64 xdp_redirect; |