Commit 121e8927 authored by Tariq Toukan's avatar Tariq Toukan Committed by Saeed Mahameed

net/mlx5e: Refactor RQ XDP_TX indication

Make the xdp_xmit indication available for Striding RQ
by taking it out of the type-specific union.
This refactor is a preparation for a downstream patch that
adds XDP support over Striding RQ.
In addition, use a bitmap instead of a boolean for possible
future flags.
Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 619a8f2a
......@@ -479,6 +479,10 @@ typedef struct sk_buff *
typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
enum mlx5e_rq_flag {
MLX5E_RQ_FLAG_XDP_XMIT = BIT(0),
};
struct mlx5e_rq {
/* data path */
struct mlx5_wq_ll wq;
......@@ -489,7 +493,6 @@ struct mlx5e_rq {
u32 frag_sz; /* max possible skb frag_sz */
union {
bool page_reuse;
bool xdp_xmit;
};
} wqe;
struct {
......@@ -528,6 +531,7 @@ struct mlx5e_rq {
struct bpf_prog *xdp_prog;
unsigned int hw_mtu;
struct mlx5e_xdpsq xdpsq;
DECLARE_BITMAP(flags, 8);
/* control */
struct mlx5_wq_ctrl wq_ctrl;
......
......@@ -788,7 +788,7 @@ static inline bool mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
/* move page to reference to sq responsibility,
* and mark so it's not put back in page-cache.
*/
rq->wqe.xdp_xmit = true;
__set_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags); /* non-atomic */
sq->db.di[pi] = *di;
sq->pc++;
......@@ -913,9 +913,8 @@ void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
skb = skb_from_cqe(rq, cqe, wi, cqe_bcnt);
if (!skb) {
/* probably for XDP */
if (rq->wqe.xdp_xmit) {
if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {
wi->di.page = NULL;
rq->wqe.xdp_xmit = false;
/* do not return page to cache, it will be returned on XDP_TX completion */
goto wq_ll_pop;
}
......@@ -955,9 +954,8 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
skb = skb_from_cqe(rq, cqe, wi, cqe_bcnt);
if (!skb) {
if (rq->wqe.xdp_xmit) {
if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {
wi->di.page = NULL;
rq->wqe.xdp_xmit = false;
/* do not return page to cache, it will be returned on XDP_TX completion */
goto wq_ll_pop;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment