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net/mlx5e: Rx, Split rep rx mpwqe handler from nic

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Copy the current rep mpwqe rx handler which is also used by nic
profile. In the next patch, we will add rep specific logic, just
for the rep profile rx handler.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Paul Blakey 2020-02-16 12:01:29 +02:00 • committed by Saeed Mahameed
parent 8f1e0b97cc
commit dfd9e7500c
3 changed files with 58 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
View file

@ -1921,7 +1921,7 @@ static const struct mlx5e_profile mlx5e_rep_profile = {
.update_rx = mlx5e_update_rep_rx,
.update_stats = mlx5e_update_ndo_stats,
.rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep,
.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq,
.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq_rep,
.max_tc = 1,
.rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR),
.stats_grps = mlx5e_rep_stats_grps,
@ -1941,7 +1941,7 @@ static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
.update_stats = mlx5e_update_ndo_stats,
.update_carrier = mlx5e_update_carrier,
.rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep,
.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq,
.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq_rep,
.max_tc = MLX5E_MAX_NUM_TC,
.rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR),
.stats_grps = mlx5e_ul_rep_stats_grps,

2
drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
View file

@ -191,6 +191,8 @@ int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv);
void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv);
void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe);
int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
struct mlx5e_encap_entry *e);

54
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View file

@ -1232,6 +1232,60 @@ free_wqe:
wq_cyc_pop:
mlx5_wq_cyc_pop(wq);
}
void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe)
{
u16 cstrides = mpwrq_get_cqe_consumed_strides(cqe);
u16 wqe_id = be16_to_cpu(cqe->wqe_id);
struct mlx5e_mpw_info *wi = &rq->mpwqe.info[wqe_id];
u16 stride_ix = mpwrq_get_cqe_stride_index(cqe);
u32 wqe_offset = stride_ix << rq->mpwqe.log_stride_sz;
u32 head_offset = wqe_offset & (PAGE_SIZE - 1);
u32 page_idx = wqe_offset >> PAGE_SHIFT;
struct mlx5e_rx_wqe_ll *wqe;
struct mlx5_wq_ll *wq;
struct sk_buff *skb;
u16 cqe_bcnt;
wi->consumed_strides += cstrides;
if (unlikely(MLX5E_RX_ERR_CQE(cqe))) {
trigger_report(rq, cqe);
rq->stats->wqe_err++;
goto mpwrq_cqe_out;
}
if (unlikely(mpwrq_is_filler_cqe(cqe))) {
struct mlx5e_rq_stats *stats = rq->stats;
stats->mpwqe_filler_cqes++;
stats->mpwqe_filler_strides += cstrides;
goto mpwrq_cqe_out;
}
cqe_bcnt = mpwrq_get_cqe_byte_cnt(cqe);
skb = INDIRECT_CALL_2(rq->mpwqe.skb_from_cqe_mpwrq,
mlx5e_skb_from_cqe_mpwrq_linear,
mlx5e_skb_from_cqe_mpwrq_nonlinear,
rq, wi, cqe_bcnt, head_offset, page_idx);
if (!skb)
goto mpwrq_cqe_out;
mlx5e_complete_rx_cqe(rq, cqe, cqe_bcnt, skb);
napi_gro_receive(rq->cq.napi, skb);
mpwrq_cqe_out:
if (likely(wi->consumed_strides < rq->mpwqe.num_strides))
return;
wq = &rq->mpwqe.wq;
wqe = mlx5_wq_ll_get_wqe(wq, wqe_id);
mlx5e_free_rx_mpwqe(rq, wi, true);
mlx5_wq_ll_pop(wq, cqe->wqe_id, &wqe->next.next_wqe_index);
}
#endif
struct sk_buff *