1 files changed, 30 insertions, 34 deletions

diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
index c9aec9ab6191..784cd34f5bba 100644
--- a/include/net/xdp_sock_drv.h
+++ b/include/net/xdp_sock_drv.h
@@ -59,15 +59,6 @@ static inline void xsk_pool_fill_cb(struct xsk_buff_pool *pool,
 	xp_fill_cb(pool, desc);
 }
 
-static inline unsigned int xsk_pool_get_napi_id(struct xsk_buff_pool *pool)
-{
-#ifdef CONFIG_NET_RX_BUSY_POLL
-	return pool->heads[0].xdp.rxq->napi_id;
-#else
-	return 0;
-#endif
-}
-
 static inline void xsk_pool_dma_unmap(struct xsk_buff_pool *pool,
 				      unsigned long attrs)
 {
@@ -101,7 +92,7 @@ static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
 	return xp_alloc(pool);
 }
 
-static inline bool xsk_is_eop_desc(struct xdp_desc *desc)
+static inline bool xsk_is_eop_desc(const struct xdp_desc *desc)
 {
 	return !xp_mb_desc(desc);
 }
@@ -126,8 +117,8 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
 	if (likely(!xdp_buff_has_frags(xdp)))
 		goto out;
 
-	list_for_each_entry_safe(pos, tmp, xskb_list, xskb_list_node) {
-		list_del(&pos->xskb_list_node);
+	list_for_each_entry_safe(pos, tmp, xskb_list, list_node) {
+		list_del(&pos->list_node);
 		xp_free(pos);
 	}
 
@@ -136,23 +127,33 @@ out:
 	xp_free(xskb);
 }
 
-static inline void xsk_buff_add_frag(struct xdp_buff *xdp)
+static inline bool xsk_buff_add_frag(struct xdp_buff *head,
+				     struct xdp_buff *xdp)
 {
-	struct xdp_buff_xsk *frag = container_of(xdp, struct xdp_buff_xsk, xdp);
+	const void *data = xdp->data;
+	struct xdp_buff_xsk *frag;
+
+	if (!__xdp_buff_add_frag(head, virt_to_netmem(data),
+				 offset_in_page(data), xdp->data_end - data,
+				 xdp->frame_sz, false))
+		return false;
+
+	frag = container_of(xdp, struct xdp_buff_xsk, xdp);
+	list_add_tail(&frag->list_node, &frag->pool->xskb_list);
 
-	list_add_tail(&frag->xskb_list_node, &frag->pool->xskb_list);
+	return true;
 }
 
-static inline struct xdp_buff *xsk_buff_get_frag(struct xdp_buff *first)
+static inline struct xdp_buff *xsk_buff_get_frag(const struct xdp_buff *first)
 {
 	struct xdp_buff_xsk *xskb = container_of(first, struct xdp_buff_xsk, xdp);
 	struct xdp_buff *ret = NULL;
 	struct xdp_buff_xsk *frag;
 
 	frag = list_first_entry_or_null(&xskb->pool->xskb_list,
-					struct xdp_buff_xsk, xskb_list_node);
+					struct xdp_buff_xsk, list_node);
 	if (frag) {
-		list_del(&frag->xskb_list_node);
+		list_del(&frag->list_node);
 		ret = &frag->xdp;
 	}
 
@@ -163,7 +164,7 @@ static inline void xsk_buff_del_tail(struct xdp_buff *tail)
 {
 	struct xdp_buff_xsk *xskb = container_of(tail, struct xdp_buff_xsk, xdp);
 
-	list_del(&xskb->xskb_list_node);
+	list_del(&xskb->list_node);
 }
 
 static inline struct xdp_buff *xsk_buff_get_tail(struct xdp_buff *first)
@@ -172,7 +173,7 @@ static inline struct xdp_buff *xsk_buff_get_tail(struct xdp_buff *first)
 	struct xdp_buff_xsk *frag;
 
 	frag = list_last_entry(&xskb->pool->xskb_list, struct xdp_buff_xsk,
-			       xskb_list_node);
+			       list_node);
 	return &frag->xdp;
 }
 
@@ -200,7 +201,8 @@ static inline void *xsk_buff_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
 		XDP_TXMD_FLAGS_CHECKSUM | \
 	0)
 
-static inline bool xsk_buff_valid_tx_metadata(struct xsk_tx_metadata *meta)
+static inline bool
+xsk_buff_valid_tx_metadata(const struct xsk_tx_metadata *meta)
 {
 	return !(meta->flags & ~XDP_TXMD_FLAGS_VALID);
 }
@@ -219,13 +221,10 @@ static inline struct xsk_tx_metadata *xsk_buff_get_metadata(struct xsk_buff_pool
 	return meta;
 }
 
-static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp, struct xsk_buff_pool *pool)
+static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
 {
 	struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
 
-	if (!pool->dma_need_sync)
-		return;
-
 	xp_dma_sync_for_cpu(xskb);
 }
 
@@ -309,11 +308,6 @@ static inline void xsk_pool_fill_cb(struct xsk_buff_pool *pool,
 {
 }
 
-static inline unsigned int xsk_pool_get_napi_id(struct xsk_buff_pool *pool)
-{
-	return 0;
-}
-
 static inline void xsk_pool_dma_unmap(struct xsk_buff_pool *pool,
 				      unsigned long attrs)
 {
@@ -340,7 +334,7 @@ static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
 	return NULL;
 }
 
-static inline bool xsk_is_eop_desc(struct xdp_desc *desc)
+static inline bool xsk_is_eop_desc(const struct xdp_desc *desc)
 {
 	return false;
 }
@@ -359,11 +353,13 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
 {
 }
 
-static inline void xsk_buff_add_frag(struct xdp_buff *xdp)
+static inline bool xsk_buff_add_frag(struct xdp_buff *head,
+				     struct xdp_buff *xdp)
 {
+	return false;
 }
 
-static inline struct xdp_buff *xsk_buff_get_frag(struct xdp_buff *first)
+static inline struct xdp_buff *xsk_buff_get_frag(const struct xdp_buff *first)
 {
 	return NULL;
 }
@@ -402,7 +398,7 @@ static inline struct xsk_tx_metadata *xsk_buff_get_metadata(struct xsk_buff_pool
 	return NULL;
 }
 
-static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp, struct xsk_buff_pool *pool)
+static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
 {
 }