From 20c59de2e6b6bc74bbf714dcd4e720afe8d516cf Mon Sep 17 00:00:00 2001 From: Arnaud Ebalard Date: Tue, 1 Jun 2010 21:35:01 +0000 Subject: ipv6: Refactor update of IPv6 flowi destination address for srcrt (RH) option There are more than a dozen occurrences of following code in the IPv6 stack: if (opt && opt->srcrt) { struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt; ipv6_addr_copy(&final, &fl.fl6_dst); ipv6_addr_copy(&fl.fl6_dst, rt0->addr); final_p = &final; } Replace those with a helper. Note that the helper overrides final_p in all cases. This is ok as final_p was previously initialized to NULL when declared. Signed-off-by: Arnaud Ebalard Signed-off-by: David S. Miller --- net/ipv6/af_inet6.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'net/ipv6/af_inet6.c') diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e733942d..94b1b9c 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -651,7 +651,7 @@ int inet6_sk_rebuild_header(struct sock *sk) if (dst == NULL) { struct inet_sock *inet = inet_sk(sk); - struct in6_addr *final_p = NULL, final; + struct in6_addr *final_p, final; struct flowi fl; memset(&fl, 0, sizeof(fl)); @@ -665,12 +665,7 @@ int inet6_sk_rebuild_header(struct sock *sk) fl.fl_ip_sport = inet->inet_sport; security_sk_classify_flow(sk, &fl); - if (np->opt && np->opt->srcrt) { - struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt; - ipv6_addr_copy(&final, &fl.fl6_dst); - ipv6_addr_copy(&fl.fl6_dst, rt0->addr); - final_p = &final; - } + final_p = fl6_update_dst(&fl, np->opt, &final); err = ip6_dst_lookup(sk, &dst, &fl); if (err) { -- cgit v1.1 From 1823e4c80eeae2a774c75569ce3035070e5ee009 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 22 Jun 2010 20:58:41 +0000 Subject: snmp: add align parameter to snmp_mib_init() In preparation for 64bit snmp counters for some mibs, add an 'align' parameter to snmp_mib_init(), instead of assuming mibs only contain 'unsigned long' fields. Callers can use __alignof__(type) to provide correct alignment. Signed-off-by: Eric Dumazet CC: Herbert Xu CC: Arnaldo Carvalho de Melo CC: Hideaki YOSHIFUJI CC: Vlad Yasevich Signed-off-by: David S. Miller --- net/ipv6/af_inet6.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'net/ipv6/af_inet6.c') diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 94b1b9c..e830cd4 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -971,19 +971,24 @@ static void ipv6_packet_cleanup(void) static int __net_init ipv6_init_mibs(struct net *net) { if (snmp_mib_init((void __percpu **)net->mib.udp_stats_in6, - sizeof (struct udp_mib)) < 0) + sizeof(struct udp_mib), + __alignof__(struct udp_mib)) < 0) return -ENOMEM; if (snmp_mib_init((void __percpu **)net->mib.udplite_stats_in6, - sizeof (struct udp_mib)) < 0) + sizeof(struct udp_mib), + __alignof__(struct udp_mib)) < 0) goto err_udplite_mib; if (snmp_mib_init((void __percpu **)net->mib.ipv6_statistics, - sizeof(struct ipstats_mib)) < 0) + sizeof(struct ipstats_mib), + __alignof__(struct ipstats_mib)) < 0) goto err_ip_mib; if (snmp_mib_init((void __percpu **)net->mib.icmpv6_statistics, - sizeof(struct icmpv6_mib)) < 0) + sizeof(struct icmpv6_mib), + __alignof__(struct icmpv6_mib)) < 0) goto err_icmp_mib; if (snmp_mib_init((void __percpu **)net->mib.icmpv6msg_statistics, - sizeof(struct icmpv6msg_mib)) < 0) + sizeof(struct icmpv6msg_mib), + __alignof__(struct icmpv6msg_mib)) < 0) goto err_icmpmsg_mib; return 0; -- cgit v1.1 From 7ba42910073f8432934d61a6c08b1023c408fb62 Mon Sep 17 00:00:00 2001 From: Changli Gao Date: Sat, 10 Jul 2010 20:41:55 +0000 Subject: inet, inet6: make tcp_sendmsg() and tcp_sendpage() through inet_sendmsg() and inet_sendpage() a new boolean flag no_autobind is added to structure proto to avoid the autobind calls when the protocol is TCP. Then sock_rps_record_flow() is called int the TCP's sendmsg() and sendpage() pathes. Signed-off-by: Changli Gao ---- include/net/inet_common.h | 4 ++++ include/net/sock.h | 1 + include/net/tcp.h | 8 ++++---- net/ipv4/af_inet.c | 15 +++++++++------ net/ipv4/tcp.c | 11 +++++------ net/ipv4/tcp_ipv4.c | 3 +++ net/ipv6/af_inet6.c | 8 ++++---- net/ipv6/tcp_ipv6.c | 3 +++ 8 files changed, 33 insertions(+), 20 deletions(-) Signed-off-by: David S. Miller --- net/ipv6/af_inet6.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'net/ipv6/af_inet6.c') diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e830cd4..56b9bf2 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -522,10 +522,10 @@ const struct proto_ops inet6_stream_ops = { .shutdown = inet_shutdown, /* ok */ .setsockopt = sock_common_setsockopt, /* ok */ .getsockopt = sock_common_getsockopt, /* ok */ - .sendmsg = tcp_sendmsg, /* ok */ - .recvmsg = sock_common_recvmsg, /* ok */ + .sendmsg = inet_sendmsg, /* ok */ + .recvmsg = inet_recvmsg, /* ok */ .mmap = sock_no_mmap, - .sendpage = tcp_sendpage, + .sendpage = inet_sendpage, .splice_read = tcp_splice_read, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, @@ -549,7 +549,7 @@ const struct proto_ops inet6_dgram_ops = { .setsockopt = sock_common_setsockopt, /* ok */ .getsockopt = sock_common_getsockopt, /* ok */ .sendmsg = inet_sendmsg, /* ok */ - .recvmsg = sock_common_recvmsg, /* ok */ + .recvmsg = inet_recvmsg, /* ok */ .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, #ifdef CONFIG_COMPAT -- cgit v1.1