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authorJohannes Berg <johannes.berg@intel.com>2012-07-30 03:13:03 -0400
committerJohannes Berg <johannes.berg@intel.com>2012-07-30 03:13:03 -0400
commitfcb06702f023a0e7b1e6ebf9746f34b610ca0508 (patch)
treedb022324c4978dd9af059be38822d23455a45f55 /net/ipv4/ip_sockglue.c
parent5e31fc0815a4e2c72b1b495fe7a0d8f9bfb9e4b4 (diff)
parent9dbf5f55f8d35ff9aedc75267f4e4042aaf89755 (diff)
Merge remote-tracking branch 'wireless/master' into mac80211
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
-rw-r--r--net/ipv4/ip_sockglue.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 0d11f234d615..5eea4a811042 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -40,6 +40,7 @@
40#if IS_ENABLED(CONFIG_IPV6) 40#if IS_ENABLED(CONFIG_IPV6)
41#include <net/transp_v6.h> 41#include <net/transp_v6.h>
42#endif 42#endif
43#include <net/ip_fib.h>
43 44
44#include <linux/errqueue.h> 45#include <linux/errqueue.h>
45#include <asm/uaccess.h> 46#include <asm/uaccess.h>
@@ -1019,18 +1020,17 @@ e_inval:
1019 * @sk: socket 1020 * @sk: socket
1020 * @skb: buffer 1021 * @skb: buffer
1021 * 1022 *
1022 * To support IP_CMSG_PKTINFO option, we store rt_iif and rt_spec_dst 1023 * To support IP_CMSG_PKTINFO option, we store rt_iif and specific
1023 * in skb->cb[] before dst drop. 1024 * destination in skb->cb[] before dst drop.
1024 * This way, receiver doesnt make cache line misses to read rtable. 1025 * This way, receiver doesnt make cache line misses to read rtable.
1025 */ 1026 */
1026void ipv4_pktinfo_prepare(struct sk_buff *skb) 1027void ipv4_pktinfo_prepare(struct sk_buff *skb)
1027{ 1028{
1028 struct in_pktinfo *pktinfo = PKTINFO_SKB_CB(skb); 1029 struct in_pktinfo *pktinfo = PKTINFO_SKB_CB(skb);
1029 const struct rtable *rt = skb_rtable(skb);
1030 1030
1031 if (rt) { 1031 if (skb_rtable(skb)) {
1032 pktinfo->ipi_ifindex = rt->rt_iif; 1032 pktinfo->ipi_ifindex = inet_iif(skb);
1033 pktinfo->ipi_spec_dst.s_addr = rt->rt_spec_dst; 1033 pktinfo->ipi_spec_dst.s_addr = fib_compute_spec_dst(skb);
1034 } else { 1034 } else {
1035 pktinfo->ipi_ifindex = 0; 1035 pktinfo->ipi_ifindex = 0;
1036 pktinfo->ipi_spec_dst.s_addr = 0; 1036 pktinfo->ipi_spec_dst.s_addr = 0;