net/igc: support multi-process

The Rx function was not specified in the secondary process, causing the
secondary process to segfault in a multi-process environment.

This patch specify RX/TX functions in "dev_init" to support secondary
processes.

Fixes: 66fde1b943eb ("net/igc: add skeleton")
Cc: stable@dpdk.org
Signed-off-by: Zhichao Zeng <zhichaox.zeng@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/igc/igc_ethdev.c b/drivers/net/igc/igc_ethdev.c
index b9933b3..7f221a5 100644 (file)
--- a/drivers/net/igc/igc_ethdev.c
+++ b/drivers/net/igc/igc_ethdev.c
@@ -1240,8 +1240,15 @@ eth_igc_dev_init(struct rte_eth_dev *dev)
         * has already done this work. Only check we don't need a different
         * RX function.
         */
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               dev->rx_pkt_burst = igc_recv_pkts;
+               if (dev->data->scattered_rx)
+                       dev->rx_pkt_burst = igc_recv_scattered_pkts;
+
+               dev->tx_pkt_burst = igc_xmit_pkts;
+               dev->tx_pkt_prepare = eth_igc_prep_pkts;
                return 0;
+       }
 
        rte_eth_copy_pci_info(dev, pci_dev);
        dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;

diff --git a/drivers/net/igc/igc_txrx.c b/drivers/net/igc/igc_txrx.c
index e48d5df..ffd219b 100644 (file)
--- a/drivers/net/igc/igc_txrx.c
+++ b/drivers/net/igc/igc_txrx.c
@@ -345,7 +345,7 @@ rx_desc_get_pkt_info(struct igc_rx_queue *rxq, struct rte_mbuf *rxm,
        rxm->packet_type = rx_desc_pkt_info_to_pkt_type(pkt_info);
 }
 
-static uint16_t
+uint16_t
 igc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 {
        struct igc_rx_queue * const rxq = rx_queue;
@@ -488,7 +488,7 @@ igc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        return nb_rx;
 }
 
-static uint16_t
+uint16_t
 igc_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                        uint16_t nb_pkts)
 {
@@ -1397,7 +1397,7 @@ eth_igc_rx_queue_setup(struct rte_eth_dev *dev,
 }
 
 /* prepare packets for transmit */
-static uint16_t
+uint16_t
 eth_igc_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
                uint16_t nb_pkts)
 {
@@ -1604,7 +1604,7 @@ tx_desc_cksum_flags_to_olinfo(uint64_t ol_flags)
        return tmp;
 }
 
-static uint16_t
+uint16_t
 igc_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
        struct igc_tx_queue * const txq = tx_queue;

diff --git a/drivers/net/igc/igc_txrx.h b/drivers/net/igc/igc_txrx.h
index 535108a..02a0a05 100644 (file)
--- a/drivers/net/igc/igc_txrx.h
+++ b/drivers/net/igc/igc_txrx.h
@@ -49,6 +49,12 @@ void eth_igc_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
        struct rte_eth_txq_info *qinfo);
 void eth_igc_vlan_strip_queue_set(struct rte_eth_dev *dev,
                        uint16_t rx_queue_id, int on);
+uint16_t igc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+uint16_t igc_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
+uint16_t eth_igc_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+       uint16_t nb_pkts);
+uint16_t igc_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+       uint16_t nb_pkts);
 #ifdef __cplusplus
 }
 #endif