net/mlx5e: Remove redundant page argument in mlx5e_xdp_handle()

Remove the page parameter, it can be derived from the xdp_buff member
of mlx5e_xdp_buff.

Signed-off-by: Tariq Toukan <[email protected]>
Reviewed-by: Dragos Tatulea <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>

Author: Tariq Toukan

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

@@ -186,7 +186,7 @@ const struct xdp_metadata_ops mlx5e_xdp_metadata_ops = {
 };
 
 /* returns true if packet was consumed by xdp */
-bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct page *page,
+bool mlx5e_xdp_handle(struct mlx5e_rq *rq,
 		      struct bpf_prog *prog, struct mlx5e_xdp_buff *mxbuf)
 {
 	struct xdp_buff *xdp = &mxbuf->xdp;
@@ -210,7 +210,7 @@ bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct page *page,
 		__set_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags);
 		__set_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags);
 		if (xdp->rxq->mem.type != MEM_TYPE_XSK_BUFF_POOL)
-			mlx5e_page_dma_unmap(rq, page);
+			mlx5e_page_dma_unmap(rq, virt_to_page(xdp->data));
 		rq->stats->xdp_redirect++;
 		return true;
 	default:

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

@@ -52,7 +52,7 @@ struct mlx5e_xdp_buff {
 
 struct mlx5e_xsk_param;
 int mlx5e_xdp_max_mtu(struct mlx5e_params *params, struct mlx5e_xsk_param *xsk);
-bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct page *page,
+bool mlx5e_xdp_handle(struct mlx5e_rq *rq,
 		      struct bpf_prog *prog, struct mlx5e_xdp_buff *mlctx);
 void mlx5e_xdp_mpwqe_complete(struct mlx5e_xdpsq *sq);
 bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);

drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c

@@ -289,7 +289,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
 	 */
 
 	prog = rcu_dereference(rq->xdp_prog);
-	if (likely(prog && mlx5e_xdp_handle(rq, NULL, prog, mxbuf))) {
+	if (likely(prog && mlx5e_xdp_handle(rq, prog, mxbuf))) {
 		if (likely(__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)))
 			__set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */
 		return NULL; /* page/packet was consumed by XDP */
@@ -323,7 +323,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
 	net_prefetch(mxbuf->xdp.data);
 
 	prog = rcu_dereference(rq->xdp_prog);
-	if (likely(prog && mlx5e_xdp_handle(rq, NULL, prog, mxbuf)))
+	if (likely(prog && mlx5e_xdp_handle(rq, prog, mxbuf)))
 		return NULL; /* page/packet was consumed by XDP */
 
 	/* XDP_PASS: copy the data from the UMEM to a new SKB. The frame reuse

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

@@ -1610,7 +1610,7 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi,
 
 		net_prefetchw(va); /* xdp_frame data area */
 		mlx5e_fill_mxbuf(rq, cqe, va, rx_headroom, cqe_bcnt, &mxbuf);
-		if (mlx5e_xdp_handle(rq, au->page, prog, &mxbuf))
+		if (mlx5e_xdp_handle(rq, prog, &mxbuf))
 			return NULL; /* page/packet was consumed by XDP */
 
 		rx_headroom = mxbuf.xdp.data - mxbuf.xdp.data_hard_start;
@@ -1698,10 +1698,8 @@ mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi
 		wi++;
 	}
 
-	au = head_wi->au;
-
 	prog = rcu_dereference(rq->xdp_prog);
-	if (prog && mlx5e_xdp_handle(rq, au->page, prog, &mxbuf)) {
+	if (prog && mlx5e_xdp_handle(rq, prog, &mxbuf)) {
 		if (test_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {
 			int i;
 
@@ -1718,7 +1716,7 @@ mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi
 	if (unlikely(!skb))
 		return NULL;
 
-	page_ref_inc(au->page);
+	page_ref_inc(head_wi->au->page);
 
 	if (unlikely(xdp_buff_has_frags(&mxbuf.xdp))) {
 		int i;
@@ -2013,7 +2011,7 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
 
 		net_prefetchw(va); /* xdp_frame data area */
 		mlx5e_fill_mxbuf(rq, cqe, va, rx_headroom, cqe_bcnt, &mxbuf);
-		if (mlx5e_xdp_handle(rq, au->page, prog, &mxbuf)) {
+		if (mlx5e_xdp_handle(rq, prog, &mxbuf)) {
 			if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags))
 				__set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */
 			return NULL; /* page/packet was consumed by XDP */