David Miller <[EMAIL PROTECTED]> wrote: > > Thank goodness this thing is only 3-words in size, this is going to > run on every single IPv4 packet received by the system. :-/
At least this lets us get rid of a few other memsets :) [IPV4]: Get rid of redundant IPCB->opts initialisation Now that we always zero the IPCB->opts in ip_rcv, it is no longer necessary to do so before calling netif_rx for tunneled packets. Signed-off-by: Herbert Xu <[EMAIL PROTECTED]> Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 6ff9b10..0f9b3a3 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -617,7 +617,6 @@ static int ipgre_rcv(struct sk_buff *skb skb->mac.raw = skb->nh.raw; skb->nh.raw = __pskb_pull(skb, offset); skb_postpull_rcsum(skb, skb->h.raw, offset); - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); skb->pkt_type = PACKET_HOST; #ifdef CONFIG_NET_IPGRE_BROADCAST if (MULTICAST(iph->daddr)) { diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index cbcae65..406056e 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -256,7 +256,6 @@ int ip_options_compile(struct ip_options if (!opt) { opt = &(IPCB(skb)->opt); - memset(opt, 0, sizeof(struct ip_options)); iph = skb->nh.raw; opt->optlen = ((struct iphdr *)iph)->ihl*4 - sizeof(struct iphdr); optptr = iph + sizeof(struct iphdr); diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 3291d51..76ab50b 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -487,7 +487,6 @@ static int ipip_rcv(struct sk_buff *skb) skb->mac.raw = skb->nh.raw; skb->nh.raw = skb->data; - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); skb->protocol = htons(ETH_P_IP); skb->pkt_type = PACKET_HOST; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index ba33f86..9ccacf5 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1461,7 +1461,6 @@ int pim_rcv_v1(struct sk_buff * skb) skb_pull(skb, (u8*)encap - skb->data); skb->nh.iph = (struct iphdr *)skb->data; skb->dev = reg_dev; - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); skb->protocol = htons(ETH_P_IP); skb->ip_summed = 0; skb->pkt_type = PACKET_HOST; @@ -1517,7 +1516,6 @@ static int pim_rcv(struct sk_buff * skb) skb_pull(skb, (u8*)encap - skb->data); skb->nh.iph = (struct iphdr *)skb->data; skb->dev = reg_dev; - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); skb->protocol = htons(ETH_P_IP); skb->ip_summed = 0; skb->pkt_type = PACKET_HOST; diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index f8d880b..13cafbe 100644 --- a/net/ipv4/xfrm4_mode_tunnel.c +++ b/net/ipv4/xfrm4_mode_tunnel.c @@ -92,7 +92,6 @@ static int xfrm4_tunnel_input(struct xfr skb->mac.raw = memmove(skb->data - skb->mac_len, skb->mac.raw, skb->mac_len); skb->nh.raw = skb->data; - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); err = 0; out: diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index c56aeec..836eecd 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -380,7 +380,6 @@ static int ipip6_rcv(struct sk_buff *skb secpath_reset(skb); skb->mac.raw = skb->nh.raw; skb->nh.raw = skb->data; - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); IPCB(skb)->flags = 0; skb->protocol = htons(ETH_P_IPV6); skb->pkt_type = PACKET_HOST; - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
