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switchdev: add netlink flags to IPv4 FIB add op

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Pass in the netlink flags (NLM_F_*) into switchdev driver for IPv4 FIB add op
to allow driver to 1) optimize hardware updates, 2) handle ip route prepend
and append commands correctly.

Suggested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Suggested-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman
2015-03-09 13:59:09 -07:00
committed by David S. Miller
parent bf0b211256
commit f8f2147150
5 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/ipv4/fib_trie.c
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@@ -1155,6 +1155,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
err = netdev_switch_fib_ipv4_add(key, plen, fi,
new_fa->fa_tos,
cfg->fc_type,
cfg->fc_nlflags,
tb->tb_id);
if (err) {
netdev_switch_fib_ipv4_abort(fi);
@@ -1201,7 +1202,9 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
/* (Optionally) offload fib entry to switch hardware. */
err = netdev_switch_fib_ipv4_add(key, plen, fi, tos,
cfg->fc_type, tb->tb_id);
cfg->fc_type,
cfg->fc_nlflags,
tb->tb_id);
if (err) {
netdev_switch_fib_ipv4_abort(fi);
goto out_free_new_fa;