diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch')
-rw-r--r-- | target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch b/target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch index 9b16fc00b7..5ca38d2403 100644 --- a/target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch +++ b/target/linux/generic/backport-5.15/608-v5.18-net-veth-Account-total-xdp_frame-len-running-ndo_xdp.patch @@ -1,22 +1,27 @@ -commit 5142239a22219921a7863cf00c9ab853c00689d8 -Author: Lorenzo Bianconi <lorenzo@kernel.org> -Date: Fri Mar 11 10:14:18 2022 +0100 +From 5142239a22219921a7863cf00c9ab853c00689d8 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Fri, 11 Mar 2022 10:14:18 +0100 +Subject: [PATCH] net: veth: Account total xdp_frame len running ndo_xdp_xmit - net: veth: Account total xdp_frame len running ndo_xdp_xmit - - Even if this is a theoretical issue since it is not possible to perform - XDP_REDIRECT on a non-linear xdp_frame, veth driver does not account - paged area in ndo_xdp_xmit function pointer. - Introduce xdp_get_frame_len utility routine to get the xdp_frame full - length and account total frame size running XDP_REDIRECT of a - non-linear xdp frame into a veth device. - - Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> - Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> - Acked-by: Toke Hoiland-Jorgensen <toke@redhat.com> - Acked-by: John Fastabend <john.fastabend@gmail.com> - Link: https://lore.kernel.org/bpf/54f9fd3bb65d190daf2c0bbae2f852ff16cfbaa0.1646989407.git.lorenzo@kernel.org +Even if this is a theoretical issue since it is not possible to perform +XDP_REDIRECT on a non-linear xdp_frame, veth driver does not account +paged area in ndo_xdp_xmit function pointer. +Introduce xdp_get_frame_len utility routine to get the xdp_frame full +length and account total frame size running XDP_REDIRECT of a +non-linear xdp frame into a veth device. +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> +Acked-by: Toke Hoiland-Jorgensen <toke@redhat.com> +Acked-by: John Fastabend <john.fastabend@gmail.com> +Link: https://lore.kernel.org/bpf/54f9fd3bb65d190daf2c0bbae2f852ff16cfbaa0.1646989407.git.lorenzo@kernel.org +--- + drivers/net/veth.c | 4 ++-- + include/net/xdp.h | 14 ++++++++++++++ + 2 files changed, 16 insertions(+), 2 deletions(-) + +diff --git a/drivers/net/veth.c b/drivers/net/veth.c +index 58b20ea171dd..b77ce3fdcfe8 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -501,7 +501,7 @@ static int veth_xdp_xmit(struct net_devi |