VRF device needs same path selection following lookup to set source address. Rather than duplicating code, move existing code into a function that is exported to modules.
Signed-off-by: David Ahern <d...@cumulusnetworks.com> --- include/net/ip_fib.h | 2 ++ net/ipv4/fib_semantics.c | 18 ++++++++++++++++++ net/ipv4/route.c | 13 +------------ 3 files changed, 21 insertions(+), 12 deletions(-) diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index a37d0432bebd..9d8fe37dacbf 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -313,6 +313,8 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event); int fib_sync_down_addr(struct net *net, __be32 local); int fib_sync_up(struct net_device *dev, unsigned int nh_flags); void fib_select_multipath(struct fib_result *res); +void fib_select_path(struct net *net, struct fib_result *res, + struct flowi4 *fl4); /* Exported by fib_trie.c */ void fib_trie_init(void); diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 064bd3caaa4f..4ca172223ecb 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1547,3 +1547,21 @@ void fib_select_multipath(struct fib_result *res) spin_unlock_bh(&fib_multipath_lock); } #endif + +void fib_select_path(struct net *net, struct fib_result *res, + struct flowi4 *fl4) +{ +#ifdef CONFIG_IP_ROUTE_MULTIPATH + if (res->fi->fib_nhs > 1 && fl4->flowi4_oif == 0) + fib_select_multipath(res); + else +#endif + if (!res->prefixlen && + res->table->tb_num_default > 1 && + res->type == RTN_UNICAST && !fl4->flowi4_oif) + fib_select_default(fl4, res); + + if (!fl4->saddr) + fl4->saddr = FIB_RES_PREFSRC(net, *res); +} +EXPORT_SYMBOL(fib_select_path); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 5f4a5565ad8b..16d62635b484 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2198,18 +2198,7 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *fl4) goto make_route; } -#ifdef CONFIG_IP_ROUTE_MULTIPATH - if (res.fi->fib_nhs > 1 && fl4->flowi4_oif == 0) - fib_select_multipath(&res); - else -#endif - if (!res.prefixlen && - res.table->tb_num_default > 1 && - res.type == RTN_UNICAST && !fl4->flowi4_oif) - fib_select_default(fl4, &res); - - if (!fl4->saddr) - fl4->saddr = FIB_RES_PREFSRC(net, res); + fib_select_path(net, &res, fl4); dev_out = FIB_RES_DEV(res); fl4->flowi4_oif = dev_out->ifindex; -- 2.3.2 (Apple Git-55) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html