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-rw-r--r--include/net/xdp_sock.h2
-rw-r--r--net/xdp/xsk.c2
-rw-r--r--net/xdp/xsk_buff_pool.c3
3 files changed, 6 insertions, 1 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 1617af380162..69b472604b86 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -14,6 +14,8 @@
#include <linux/mm.h>
#include <net/sock.h>
+#define XDP_UMEM_SG_FLAG (1 << 1)
+
struct net_device;
struct xsk_queue;
struct xdp_buff;
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 3515e19852d8..774a6d1916e4 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -1227,7 +1227,7 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
xs->dev = dev;
xs->zc = xs->umem->zc;
- xs->sg = !!(flags & XDP_USE_SG);
+ xs->sg = !!(xs->umem->flags & XDP_UMEM_SG_FLAG);
xs->queue_id = qid;
xp_add_xsk(xs->pool, xs);
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index b3f7b310811e..49cb9f9a09be 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -170,6 +170,9 @@ int xp_assign_dev(struct xsk_buff_pool *pool,
if (err)
return err;
+ if (flags & XDP_USE_SG)
+ pool->umem->flags |= XDP_UMEM_SG_FLAG;
+
if (flags & XDP_USE_NEED_WAKEUP)
pool->uses_need_wakeup = true;
/* Tx needs to be explicitly woken up the first time. Also