net/mlx5e: XDP, Enhance RQ indication for XDP redirect flush

The XDP redirect flush indication belongs to the receive queue,
not to its XDP send queue.

For this, use a new bit on rq->flags.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Shay Agroskin <shayag@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en.h

@@ -428,7 +428,6 @@ struct mlx5e_xdpsq {
 	/* dirtied @completion */
 	u32                        xdpi_fifo_cc;
 	u16                        cc;
-	bool                       redirect_flush;
 
 	/* dirtied @xmit */
 	u32                        xdpi_fifo_pc ____cacheline_aligned_in_smp;
@@ -532,6 +531,7 @@ typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
 
 enum mlx5e_rq_flag {
 	MLX5E_RQ_FLAG_XDP_XMIT,
+	MLX5E_RQ_FLAG_XDP_REDIRECT,
 };
 
 struct mlx5e_rq_frag_info {

drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c

@@ -85,7 +85,7 @@ bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di,
 		if (unlikely(err))
 			goto xdp_abort;
 		__set_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags);
-		rq->xdpsq.redirect_flush = true;
+		__set_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags);
 		mlx5e_page_dma_unmap(rq, di);
 		rq->stats->xdp_redirect++;
 		return true;
@@ -419,9 +419,9 @@ void mlx5e_xdp_rx_poll_complete(struct mlx5e_rq *rq)
 
 	mlx5e_xmit_xdp_doorbell(xdpsq);
 
-	if (xdpsq->redirect_flush) {
+	if (test_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags)) {
 		xdp_do_flush_map();
-		xdpsq->redirect_flush = false;
+		__clear_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags);
 	}
 }