leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

xdp: pass XDP flags into install handlers

Browse Source 
Pass XDP flags to the xdp ndo.  This will allow drivers to look
at the mode flags and make decisions about offload.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2017-06-21 18:25:03 -07:00
committed by David S. Miller
parent 9bd780f5e0
commit 32d602771b
2 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/netdevice.h
View File

@@ -820,6 +820,7 @@ struct netdev_xdp {
union { union {
/* XDP_SETUP_PROG */ /* XDP_SETUP_PROG */
struct { struct {
u32 flags;
struct bpf_prog *prog; struct bpf_prog *prog;
struct netlink_ext_ack *extack; struct netlink_ext_ack *extack;
}; };

5
net/core/dev.c
View File

@@ -6951,7 +6951,7 @@ bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op,
} }
static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op, static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
struct netlink_ext_ack *extack, struct netlink_ext_ack *extack, u32 flags,
struct bpf_prog *prog) struct bpf_prog *prog)
{ {
struct netdev_xdp xdp; struct netdev_xdp xdp;
@@ -6959,6 +6959,7 @@ static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
memset(&xdp, 0, sizeof(xdp)); memset(&xdp, 0, sizeof(xdp));
xdp.command = XDP_SETUP_PROG; xdp.command = XDP_SETUP_PROG;
xdp.extack = extack; xdp.extack = extack;
xdp.flags = flags;
xdp.prog = prog; xdp.prog = prog;
return xdp_op(dev, &xdp); return xdp_op(dev, &xdp);
@@ -7003,7 +7004,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
return PTR_ERR(prog); return PTR_ERR(prog);
} }
err = dev_xdp_install(dev, xdp_op, extack, prog); err = dev_xdp_install(dev, xdp_op, extack, flags, prog);
if (err < 0 && prog) if (err < 0 && prog)
bpf_prog_put(prog); bpf_prog_put(prog);