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authorSriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>2018-04-11 11:50:15 -0400
committerDavid S. Miller <davem@davemloft.net>2018-04-11 14:41:59 -0400
commit479ca3bf91da971fcefc003cf5773e8d7db24794 (patch)
treef8ebd37dcc1c0336234676d4454e58c9271b3bef
parente85a9be93cf144623a823a0a60e4eda6ee337aef (diff)
bnxt_en: Ignore src port field in decap filter nodes
The driver currently uses src port field (along with other fields) in the decap tunnel key, while looking up and adding tunnel nodes. This leads to redundant cfa_decap_filter_alloc() requests to the FW and flow-miss in the flow engine. Fix this by ignoring the src port field in decap tunnel nodes. Fixes: f484f6782e01 ("bnxt_en: add hwrm FW cmds for cfa_encap_record and decap_filter") Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index ac193408a418..795f45024c20 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -1051,8 +1051,10 @@ static int bnxt_tc_get_decap_handle(struct bnxt *bp, struct bnxt_tc_flow *flow,
/* Check if there's another flow using the same tunnel decap.
* If not, add this tunnel to the table and resolve the other
- * tunnel header fileds
+ * tunnel header fileds. Ignore src_port in the tunnel_key,
+ * since it is not required for decap filters.
*/
+ decap_key->tp_src = 0;
decap_node = bnxt_tc_get_tunnel_node(bp, &tc_info->decap_table,
&tc_info->decap_ht_params,
decap_key);