[PATCH v3 1/3] examples/ipsec-secgw: update error prints to data path log

[Nithin Dabilpuram]

Update error prints in data path to RTE_LOG_DP().
Error prints in fast path are not good for performance
as they slow down the application when few bad packets are
received.

Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
Acked-by: Akhil Goyal <gak...@marvell.com>
---

v2:
- Fixed issue with warning in patch 4/4 by checking for session pool
  initialization instead of mbuf_pool as now mbuf pool is per port.

v3:
- Removed patch 2/4 from this series. Will send it with other series
  that adds seperate worker thread for ipsec-secgw if all SA's are from
  inline protocol.
- Added documentation for patch 4/4.

 examples/ipsec-secgw/ipsec_worker.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/examples/ipsec-secgw/ipsec_worker.c 
b/examples/ipsec-secgw/ipsec_worker.c
index 7419e85..e9493c5 100644
--- a/examples/ipsec-secgw/ipsec_worker.c
+++ b/examples/ipsec-secgw/ipsec_worker.c
@@ -332,7 +332,8 @@ process_ipsec_ev_inbound(struct ipsec_ctx *ctx, struct 
route_table *rt,
                break;
 
        default:
-               RTE_LOG(ERR, IPSEC, "Unsupported packet type = %d\n", type);
+               RTE_LOG_DP(DEBUG, IPSEC_ESP, "Unsupported packet type = %d\n",
+                          type);
                goto drop_pkt_and_exit;
        }
 
@@ -570,7 +571,8 @@ classify_pkt(struct rte_mbuf *pkt, struct ipsec_traffic *t)
                t->ip6.pkts[(t->ip6.num)++] = pkt;
                break;
        default:
-               RTE_LOG(ERR, IPSEC, "Unsupported packet type = %d\n", type);
+               RTE_LOG_DP(DEBUG, IPSEC_ESP, "Unsupported packet type = %d\n",
+                          type);
                free_pkts(&pkt, 1);
                break;
        }
-- 
2.8.4