Ping.

On 2022-06-02 1:15 PM, Jerin Jacob wrote:
On Thu, Apr 21, 2022 at 7:47 PM Nithin Dabilpuram
<ndabilpu...@marvell.com> wrote:

MTU configuration is missing for ethdev when using eventmode
when user provides it via "--max-pkt-len" config. It is only
done in poll mode setup. Fix the event mode setup code to
do the same.

Fixes: 1bb4a528c41f ("ethdev: fix max Rx packet length")
Cc: ferruh.yi...@intel.com
Cc: sta...@dpdk.org

Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>

Acked-by: Jerin Jacob <jer...@marvell.com>


---
  examples/l3fwd/l3fwd.h       | 5 +++++
  examples/l3fwd/l3fwd_event.c | 6 ++++++
  examples/l3fwd/main.c        | 4 ++--
  3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/examples/l3fwd/l3fwd.h b/examples/l3fwd/l3fwd.h
index ad39496..b0bfdcc 100644
--- a/examples/l3fwd/l3fwd.h
+++ b/examples/l3fwd/l3fwd.h
@@ -107,6 +107,8 @@ extern struct lcore_conf lcore_conf[RTE_MAX_LCORE];

  extern struct parm_cfg parm_config;

+extern uint32_t max_pkt_len;
+
  /* Send burst of packets on an output interface */
  static inline int
  send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
@@ -193,6 +195,9 @@ is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t 
link_len)
  int
  init_mem(uint16_t portid, unsigned int nb_mbuf);

+int config_port_max_pkt_len(struct rte_eth_conf *conf,
+                           struct rte_eth_dev_info *dev_info);
+
  /* Function pointers for LPM, EM or FIB functionality. */
  void
  setup_lpm(const int socketid);
diff --git a/examples/l3fwd/l3fwd_event.c b/examples/l3fwd/l3fwd_event.c
index 7a40129..e72add8 100644
--- a/examples/l3fwd/l3fwd_event.c
+++ b/examples/l3fwd/l3fwd_event.c
@@ -73,6 +73,12 @@ l3fwd_eth_dev_port_setup(struct rte_eth_conf *port_conf)
                         rte_panic("Error during getting device (port %u) info:"
                                   "%s\n", port_id, strerror(-ret));

+               ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE,
+                               "Invalid max packet length: %u (port %u)\n",
+                               max_pkt_len, port_id);
+
                 if (dev_info.tx_offload_capa & 
RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
                         local_port_conf.txmode.offloads |=
                                                 
RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index a629198..6585c8b 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -135,7 +135,7 @@ static struct rte_eth_conf port_conf = {
         },
  };

-static uint32_t max_pkt_len;
+uint32_t max_pkt_len;

  static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
  static struct rte_mempool *vector_pool[RTE_MAX_ETHPORTS];
@@ -1136,7 +1136,7 @@ eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t 
max_mtu)
         return overhead_len;
  }

-static int
+int
  config_port_max_pkt_len(struct rte_eth_conf *conf,
                 struct rte_eth_dev_info *dev_info)
  {
--
2.8.4

Reply via email to