lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 15 Jul 2014 15:41:23 +0800 From: Xie Jianhua <Jianhua.Xie@...escale.com> To: <netdev@...r.kernel.org> CC: Jianhua Xie <jianhua.xie@...escale.com>, Jay Vosburgh <j.vosburgh@...il.com>, Veaceslav Falico <vfalico@...il.com>, Andy Gospodarek <andy@...yhouse.net>, "David S. Miller" <davem@...emloft.net>, Pan Jiafei <Jiafei.Pan@...escale.com> Subject: [PATCH net v2] bonding: enhance L2 hash helper with packet type From: Jianhua Xie <jianhua.xie@...escale.com> Current L2 hash helper calculates destination eth addr and source ether addr as L2 hash factors. This patch is adding packet type ID field into hash factors, which can help to distribute different types of packets like IPv4/IPv6 packets to different slave devices while only BOND_XMIT_POLICY_LAYER2 is applied. CC: Jay Vosburgh <j.vosburgh@...il.com> CC: Veaceslav Falico <vfalico@...il.com> CC: Andy Gospodarek <andy@...yhouse.net> CC: David S. Miller <davem@...emloft.net> CC: Pan Jiafei <Jiafei.Pan@...escale.com> Suggested-by: David S. Miller <davem@...emloft.net> Signed-off-by: Jianhua Xie <jianhua.xie@...escale.com> --- v2-changes: Use the appropriate interface skb_header_pointer() to check skb headlen, fragmented packet or not is not distinguished any more. drivers/net/bonding/bond_main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 3a451b6..bcff90c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2999,11 +2999,11 @@ static struct notifier_block bond_netdev_notifier = { /* L2 hash helper */ static inline u32 bond_eth_hash(struct sk_buff *skb) { - struct ethhdr *data = (struct ethhdr *)skb->data; - - if (skb_headlen(skb) >= offsetof(struct ethhdr, h_proto)) - return data->h_dest[5] ^ data->h_source[5]; + struct ethhdr *ep, hdr_tmp; + ep = skb_header_pointer(skb, 0, sizeof(hdr_tmp), &hdr_tmp); + if (ep) + return ep->h_dest[5] ^ ep->h_source[5] ^ ep->h_proto; return 0; } -- 1.8.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists