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-rw-r--r--net/core/dev.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index df7637733e3c..a91572aa73d5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6934,8 +6934,7 @@ int dev_change_proto_down(struct net_device *dev, bool proto_down)
6934} 6934}
6935EXPORT_SYMBOL(dev_change_proto_down); 6935EXPORT_SYMBOL(dev_change_proto_down);
6936 6936
6937bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, 6937u8 __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, u32 *prog_id)
6938 u32 *prog_id)
6939{ 6938{
6940 struct netdev_xdp xdp; 6939 struct netdev_xdp xdp;
6941 6940
@@ -6951,14 +6950,18 @@ bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op,
6951} 6950}
6952 6951
6953static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op, 6952static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
6954 struct netlink_ext_ack *extack, 6953 struct netlink_ext_ack *extack, u32 flags,
6955 struct bpf_prog *prog) 6954 struct bpf_prog *prog)
6956{ 6955{
6957 struct netdev_xdp xdp; 6956 struct netdev_xdp xdp;
6958 6957
6959 memset(&xdp, 0, sizeof(xdp)); 6958 memset(&xdp, 0, sizeof(xdp));
6960 xdp.command = XDP_SETUP_PROG; 6959 if (flags & XDP_FLAGS_HW_MODE)
6960 xdp.command = XDP_SETUP_PROG_HW;
6961 else
6962 xdp.command = XDP_SETUP_PROG;
6961 xdp.extack = extack; 6963 xdp.extack = extack;
6964 xdp.flags = flags;
6962 xdp.prog = prog; 6965 xdp.prog = prog;
6963 6966
6964 return xdp_op(dev, &xdp); 6967 return xdp_op(dev, &xdp);
@@ -6984,7 +6987,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
6984 ASSERT_RTNL(); 6987 ASSERT_RTNL();
6985 6988
6986 xdp_op = xdp_chk = ops->ndo_xdp; 6989 xdp_op = xdp_chk = ops->ndo_xdp;
6987 if (!xdp_op && (flags & XDP_FLAGS_DRV_MODE)) 6990 if (!xdp_op && (flags & (XDP_FLAGS_DRV_MODE | XDP_FLAGS_HW_MODE)))
6988 return -EOPNOTSUPP; 6991 return -EOPNOTSUPP;
6989 if (!xdp_op || (flags & XDP_FLAGS_SKB_MODE)) 6992 if (!xdp_op || (flags & XDP_FLAGS_SKB_MODE))
6990 xdp_op = generic_xdp_install; 6993 xdp_op = generic_xdp_install;
@@ -7003,7 +7006,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
7003 return PTR_ERR(prog); 7006 return PTR_ERR(prog);
7004 } 7007 }
7005 7008
7006 err = dev_xdp_install(dev, xdp_op, extack, prog); 7009 err = dev_xdp_install(dev, xdp_op, extack, flags, prog);
7007 if (err < 0 && prog) 7010 if (err < 0 && prog)
7008 bpf_prog_put(prog); 7011 bpf_prog_put(prog);
7009 7012