{
struct mlx5e_xdp_mpwqe *session = &sq->mpwqe;
struct mlx5e_xdpsq_stats *stats = sq->stats;
+ struct mlx5e_tx_wqe *wqe;
u16 pi;
pi = mlx5e_xdpsq_get_next_pi(sq, MLX5E_XDP_MPW_MAX_WQEBBS);
- session->wqe = MLX5E_TX_FETCH_WQE(sq, pi);
-
- net_prefetchw(session->wqe->data);
- session->ds_count = MLX5E_XDP_TX_EMPTY_DS_COUNT;
- session->pkt_count = 0;
-
- mlx5e_xdp_update_inline_state(sq);
+ wqe = MLX5E_TX_FETCH_WQE(sq, pi);
+ net_prefetchw(wqe->data);
+
+ *session = (struct mlx5e_xdp_mpwqe) {
+ .wqe = wqe,
+ .ds_count = MLX5E_TX_WQE_EMPTY_DS_COUNT,
+ .pkt_count = 0,
+ .inline_on = mlx5e_xdp_get_inline_state(sq, session->inline_on),
+ };
stats->mpwqe++;
}
#include "en/txrx.h"
#define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
-#define MLX5E_XDP_TX_EMPTY_DS_COUNT \
- (sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS)
-#define MLX5E_XDP_TX_DS_COUNT (MLX5E_XDP_TX_EMPTY_DS_COUNT + 1 /* SG DS */)
+#define MLX5E_XDP_TX_DS_COUNT (MLX5E_TX_WQE_EMPTY_DS_COUNT + 1 /* SG DS */)
#define MLX5E_XDP_INLINE_WQE_MAX_DS_CNT 16
#define MLX5E_XDP_INLINE_WQE_SZ_THRSD \
/* Enable inline WQEs to shift some load from a congested HCA (HW) to
* a less congested cpu (SW).
*/
-static inline void mlx5e_xdp_update_inline_state(struct mlx5e_xdpsq *sq)
+static inline bool mlx5e_xdp_get_inline_state(struct mlx5e_xdpsq *sq, bool cur)
{
u16 outstanding = sq->xdpi_fifo_pc - sq->xdpi_fifo_cc;
- struct mlx5e_xdp_mpwqe *session = &sq->mpwqe;
#define MLX5E_XDP_INLINE_WATERMARK_LOW 10
#define MLX5E_XDP_INLINE_WATERMARK_HIGH 128
- if (session->inline_on) {
- if (outstanding <= MLX5E_XDP_INLINE_WATERMARK_LOW)
- session->inline_on = 0;
- return;
- }
+ if (cur && outstanding <= MLX5E_XDP_INLINE_WATERMARK_LOW)
+ return false;
+
+ if (!cur && outstanding >= MLX5E_XDP_INLINE_WATERMARK_HIGH)
+ return true;
- /* inline is false */
- if (outstanding >= MLX5E_XDP_INLINE_WATERMARK_HIGH)
- session->inline_on = 1;
+ return cur;
}
static inline bool mlx5e_xdp_mpqwe_is_full(struct mlx5e_xdp_mpwqe *session)
static void mlx5e_sq_calc_wqe_attr(struct sk_buff *skb, const struct mlx5e_tx_attr *attr,
struct mlx5e_tx_wqe_attr *wqe_attr)
{
- u16 ds_cnt = sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS;
+ u16 ds_cnt = MLX5E_TX_WQE_EMPTY_DS_COUNT;
u16 ds_cnt_inl = 0;
ds_cnt += !!attr->headlen + skb_shinfo(skb)->nr_frags;