[lustre-devel] [PATCH 06/20] lnet: add iface index to struct lnet_inetdev

[James Simmons <jsimmons@infradead.org>]

From: Mr NeilBrown <neilb@suse.de>

When getting list of interfaces, get the index as well, as this can be
useful and avoid search the list of interfaces again to find it.

WC-bug-id: https://jira.whamcloud.com/browse/LU-10391
Lustre-commit: 860182ee6e84d391a ("LU-10391 lnet: add iface index to struct lnet_inetdev")
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/48569
Reviewed-by: jsimmons <jsimmons@infradead.org>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Frank Sehr <fsehr@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 include/linux/lnet/lib-lnet.h    | 1 +
 net/lnet/klnds/socklnd/socklnd.c | 2 +-
 net/lnet/lnet/config.c           | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/lnet/lib-lnet.h b/include/linux/lnet/lib-lnet.h
index a95919e69802..eb48d2900172 100644
--- a/include/linux/lnet/lib-lnet.h
+++ b/include/linux/lnet/lib-lnet.h
@@ -826,6 +826,7 @@ struct lnet_inetdev {
 	u32	li_flags;
 	u32	li_ipaddr;
 	u32	li_netmask;
+	u32	li_index;
 	char	li_name[IFNAMSIZ];
 };
 
diff --git a/net/lnet/klnds/socklnd/socklnd.c b/net/lnet/klnds/socklnd/socklnd.c
index 2b08501133dc..69cb738796e7 100644
--- a/net/lnet/klnds/socklnd/socklnd.c
+++ b/net/lnet/klnds/socklnd/socklnd.c
@@ -2522,11 +2522,11 @@ ksocknal_startup(struct lnet_ni *ni)
 	}
 
 	ni->ni_dev_cpt = ifaces[i].li_cpt;
+	ksi->ksni_index = ifaces[i].li_index;
 	sa = (void *)&ksi->ksni_addr;
 	memset(sa, 0, sizeof(*sa));
 	sa->sin_family = AF_INET;
 	sa->sin_addr.s_addr = htonl(ifaces[i].li_ipaddr);
-	ksi->ksni_index = ksocknal_ip2index((struct sockaddr *)sa, ni);
 	ksi->ksni_netmask = ifaces[i].li_netmask;
 	strlcpy(ksi->ksni_name, ifaces[i].li_name, sizeof(ksi->ksni_name));
 
diff --git a/net/lnet/lnet/config.c b/net/lnet/lnet/config.c
index da3d20e5bebb..083a9a29697f 100644
--- a/net/lnet/lnet/config.c
+++ b/net/lnet/lnet/config.c
@@ -1538,6 +1538,7 @@ int lnet_inet_enumerate(struct lnet_inetdev **dev_list, struct net *ns)
 
 			ifaces[nip].li_cpt = cpt;
 			ifaces[nip].li_flags = flags;
+			ifaces[nip].li_index = dev->ifindex;
 			ifaces[nip].li_ipaddr = ntohl(ifa->ifa_local);
 			ifaces[nip].li_netmask = ntohl(ifa->ifa_mask);
 			strlcpy(ifaces[nip].li_name, ifa->ifa_label,
-- 
2.27.0

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