diff options
Diffstat (limited to 'drivers/net/bnx2x')
| -rw-r--r-- | drivers/net/bnx2x/Makefile | 4 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x.c | 222 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x.h | 4 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_ethdev.c | 16 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_rxtx.c | 66 | ||||
| -rw-r--r-- | drivers/net/bnx2x/elink.c | 8 |
6 files changed, 158 insertions, 162 deletions
diff --git a/drivers/net/bnx2x/Makefile b/drivers/net/bnx2x/Makefile index 6f1f385d..c2ddd8d7 100644 --- a/drivers/net/bnx2x/Makefile +++ b/drivers/net/bnx2x/Makefile @@ -14,6 +14,10 @@ EXPORT_MAP := rte_pmd_bnx2x_version.map LIBABIVER := 1 +ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y) +CFLAGS += -wd188 #188: enumerated type mixed with another type +endif + # # all source are stored in SRCS-y # diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c index 6edb2f95..3095d2bb 100644 --- a/drivers/net/bnx2x/bnx2x.c +++ b/drivers/net/bnx2x/bnx2x.c @@ -32,18 +32,20 @@ #define BNX2X_PMD_VER_PREFIX "BNX2X PMD" #define BNX2X_PMD_VERSION_MAJOR 1 #define BNX2X_PMD_VERSION_MINOR 0 -#define BNX2X_PMD_VERSION_PATCH 0 +#define BNX2X_PMD_VERSION_REVISION 1 +#define BNX2X_PMD_VERSION_PATCH 1 static inline const char * bnx2x_pmd_version(void) { static char version[32]; - snprintf(version, sizeof(version), "%s %s_%d.%d.%d", + snprintf(version, sizeof(version), "%s %s_%d.%d.%d.%d", BNX2X_PMD_VER_PREFIX, BNX2X_DRIVER_VERSION, BNX2X_PMD_VERSION_MAJOR, BNX2X_PMD_VERSION_MINOR, + BNX2X_PMD_VERSION_REVISION, BNX2X_PMD_VERSION_PATCH); return version; @@ -1293,7 +1295,7 @@ bnx2x_free_tx_pkt(__rte_unused struct bnx2x_fastpath *fp, struct bnx2x_tx_queue struct rte_mbuf *tx_mbuf = txq->sw_ring[TX_BD(pkt_idx, txq)]; if (likely(tx_mbuf != NULL)) { - rte_pktmbuf_free(tx_mbuf); + rte_pktmbuf_free_seg(tx_mbuf); } else { PMD_RX_LOG(ERR, "fp[%02d] lost mbuf %lu", fp->index, (unsigned long)TX_BD(pkt_idx, txq)); @@ -2113,147 +2115,127 @@ bnx2x_nic_unload(struct bnx2x_softc *sc, uint32_t unload_mode, uint8_t keep_link * the mbuf and return to the caller. * * Returns: - * 0 = Success, !0 = Failure + * int: Number of TX BDs used for the mbuf + * * Note the side effect that an mbuf may be freed if it causes a problem. */ -int bnx2x_tx_encap(struct bnx2x_tx_queue *txq, struct rte_mbuf **m_head, int m_pkts) +int bnx2x_tx_encap(struct bnx2x_tx_queue *txq, struct rte_mbuf *m0) { - struct rte_mbuf *m0; struct eth_tx_start_bd *tx_start_bd; uint16_t bd_prod, pkt_prod; - int m_tx; struct bnx2x_softc *sc; uint32_t nbds = 0; - struct bnx2x_fastpath *fp; sc = txq->sc; - fp = &sc->fp[txq->queue_id]; - bd_prod = txq->tx_bd_tail; pkt_prod = txq->tx_pkt_tail; - for (m_tx = 0; m_tx < m_pkts; m_tx++) { - - m0 = *m_head++; - - if (unlikely(txq->nb_tx_avail < 3)) { - PMD_TX_LOG(ERR, "no enough bds %d/%d", - bd_prod, txq->nb_tx_avail); - return -ENOMEM; - } + txq->sw_ring[TX_BD(pkt_prod, txq)] = m0; - txq->sw_ring[TX_BD(pkt_prod, txq)] = m0; + tx_start_bd = &txq->tx_ring[TX_BD(bd_prod, txq)].start_bd; - tx_start_bd = &txq->tx_ring[TX_BD(bd_prod, txq)].start_bd; + tx_start_bd->addr = + rte_cpu_to_le_64(rte_mbuf_data_dma_addr(m0)); + tx_start_bd->nbytes = rte_cpu_to_le_16(m0->data_len); + tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; + tx_start_bd->general_data = + (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT); - tx_start_bd->addr = - rte_cpu_to_le_64(rte_mbuf_data_dma_addr(m0)); - tx_start_bd->nbytes = rte_cpu_to_le_16(m0->data_len); - tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; - tx_start_bd->general_data = - (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT); + tx_start_bd->nbd = rte_cpu_to_le_16(2); - tx_start_bd->nbd = rte_cpu_to_le_16(2); + if (m0->ol_flags & PKT_TX_VLAN_PKT) { + tx_start_bd->vlan_or_ethertype = + rte_cpu_to_le_16(m0->vlan_tci); + tx_start_bd->bd_flags.as_bitfield |= + (X_ETH_OUTBAND_VLAN << + ETH_TX_BD_FLAGS_VLAN_MODE_SHIFT); + } else { + if (IS_PF(sc)) + tx_start_bd->vlan_or_ethertype = + rte_cpu_to_le_16(pkt_prod); + else { + struct ether_hdr *eh = + rte_pktmbuf_mtod(m0, struct ether_hdr *); - if (m0->ol_flags & PKT_TX_VLAN_PKT) { tx_start_bd->vlan_or_ethertype = - rte_cpu_to_le_16(m0->vlan_tci); - tx_start_bd->bd_flags.as_bitfield |= - (X_ETH_OUTBAND_VLAN << - ETH_TX_BD_FLAGS_VLAN_MODE_SHIFT); - } else { - if (IS_PF(sc)) - tx_start_bd->vlan_or_ethertype = - rte_cpu_to_le_16(pkt_prod); - else { - struct ether_hdr *eh - = rte_pktmbuf_mtod(m0, struct ether_hdr *); - - tx_start_bd->vlan_or_ethertype - = rte_cpu_to_le_16(rte_be_to_cpu_16(eh->ether_type)); - } + rte_cpu_to_le_16(rte_be_to_cpu_16(eh->ether_type)); } + } - bd_prod = NEXT_TX_BD(bd_prod); - if (IS_VF(sc)) { - struct eth_tx_parse_bd_e2 *tx_parse_bd; - const struct ether_hdr *eh = rte_pktmbuf_mtod(m0, struct ether_hdr *); - uint8_t mac_type = UNICAST_ADDRESS; - - tx_parse_bd = - &txq->tx_ring[TX_BD(bd_prod, txq)].parse_bd_e2; - if (is_multicast_ether_addr(&eh->d_addr)) { - if (is_broadcast_ether_addr(&eh->d_addr)) - mac_type = BROADCAST_ADDRESS; - else - mac_type = MULTICAST_ADDRESS; - } - tx_parse_bd->parsing_data = - (mac_type << ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT); - - rte_memcpy(&tx_parse_bd->data.mac_addr.dst_hi, - &eh->d_addr.addr_bytes[0], 2); - rte_memcpy(&tx_parse_bd->data.mac_addr.dst_mid, - &eh->d_addr.addr_bytes[2], 2); - rte_memcpy(&tx_parse_bd->data.mac_addr.dst_lo, - &eh->d_addr.addr_bytes[4], 2); - rte_memcpy(&tx_parse_bd->data.mac_addr.src_hi, - &eh->s_addr.addr_bytes[0], 2); - rte_memcpy(&tx_parse_bd->data.mac_addr.src_mid, - &eh->s_addr.addr_bytes[2], 2); - rte_memcpy(&tx_parse_bd->data.mac_addr.src_lo, - &eh->s_addr.addr_bytes[4], 2); - - tx_parse_bd->data.mac_addr.dst_hi = - rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.dst_hi); - tx_parse_bd->data.mac_addr.dst_mid = - rte_cpu_to_be_16(tx_parse_bd->data. - mac_addr.dst_mid); - tx_parse_bd->data.mac_addr.dst_lo = - rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.dst_lo); - tx_parse_bd->data.mac_addr.src_hi = - rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.src_hi); - tx_parse_bd->data.mac_addr.src_mid = - rte_cpu_to_be_16(tx_parse_bd->data. - mac_addr.src_mid); - tx_parse_bd->data.mac_addr.src_lo = - rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.src_lo); - - PMD_TX_LOG(DEBUG, - "PBD dst %x %x %x src %x %x %x p_data %x", - tx_parse_bd->data.mac_addr.dst_hi, - tx_parse_bd->data.mac_addr.dst_mid, - tx_parse_bd->data.mac_addr.dst_lo, - tx_parse_bd->data.mac_addr.src_hi, - tx_parse_bd->data.mac_addr.src_mid, - tx_parse_bd->data.mac_addr.src_lo, - tx_parse_bd->parsing_data); - } + bd_prod = NEXT_TX_BD(bd_prod); + if (IS_VF(sc)) { + struct eth_tx_parse_bd_e2 *tx_parse_bd; + const struct ether_hdr *eh = + rte_pktmbuf_mtod(m0, struct ether_hdr *); + uint8_t mac_type = UNICAST_ADDRESS; + + tx_parse_bd = + &txq->tx_ring[TX_BD(bd_prod, txq)].parse_bd_e2; + if (is_multicast_ether_addr(&eh->d_addr)) { + if (is_broadcast_ether_addr(&eh->d_addr)) + mac_type = BROADCAST_ADDRESS; + else + mac_type = MULTICAST_ADDRESS; + } + tx_parse_bd->parsing_data = + (mac_type << ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT); + + rte_memcpy(&tx_parse_bd->data.mac_addr.dst_hi, + &eh->d_addr.addr_bytes[0], 2); + rte_memcpy(&tx_parse_bd->data.mac_addr.dst_mid, + &eh->d_addr.addr_bytes[2], 2); + rte_memcpy(&tx_parse_bd->data.mac_addr.dst_lo, + &eh->d_addr.addr_bytes[4], 2); + rte_memcpy(&tx_parse_bd->data.mac_addr.src_hi, + &eh->s_addr.addr_bytes[0], 2); + rte_memcpy(&tx_parse_bd->data.mac_addr.src_mid, + &eh->s_addr.addr_bytes[2], 2); + rte_memcpy(&tx_parse_bd->data.mac_addr.src_lo, + &eh->s_addr.addr_bytes[4], 2); + + tx_parse_bd->data.mac_addr.dst_hi = + rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.dst_hi); + tx_parse_bd->data.mac_addr.dst_mid = + rte_cpu_to_be_16(tx_parse_bd->data. + mac_addr.dst_mid); + tx_parse_bd->data.mac_addr.dst_lo = + rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.dst_lo); + tx_parse_bd->data.mac_addr.src_hi = + rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.src_hi); + tx_parse_bd->data.mac_addr.src_mid = + rte_cpu_to_be_16(tx_parse_bd->data. + mac_addr.src_mid); + tx_parse_bd->data.mac_addr.src_lo = + rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.src_lo); PMD_TX_LOG(DEBUG, - "start bd: nbytes %d flags %x vlan %x\n", - tx_start_bd->nbytes, - tx_start_bd->bd_flags.as_bitfield, - tx_start_bd->vlan_or_ethertype); + "PBD dst %x %x %x src %x %x %x p_data %x", + tx_parse_bd->data.mac_addr.dst_hi, + tx_parse_bd->data.mac_addr.dst_mid, + tx_parse_bd->data.mac_addr.dst_lo, + tx_parse_bd->data.mac_addr.src_hi, + tx_parse_bd->data.mac_addr.src_mid, + tx_parse_bd->data.mac_addr.src_lo, + tx_parse_bd->parsing_data); + } - bd_prod = NEXT_TX_BD(bd_prod); - pkt_prod++; + PMD_TX_LOG(DEBUG, + "start bd: nbytes %d flags %x vlan %x\n", + tx_start_bd->nbytes, + tx_start_bd->bd_flags.as_bitfield, + tx_start_bd->vlan_or_ethertype); - if (TX_IDX(bd_prod) < 2) { - nbds++; - } - } + bd_prod = NEXT_TX_BD(bd_prod); + pkt_prod++; + + if (TX_IDX(bd_prod) < 2) + nbds++; - txq->nb_tx_avail -= m_pkts << 1; + txq->nb_tx_avail -= 2; txq->tx_bd_tail = bd_prod; txq->tx_pkt_tail = pkt_prod; - mb(); - fp->tx_db.data.prod += (m_pkts << 1) + nbds; - DOORBELL(sc, txq->queue_id, fp->tx_db.raw); - mb(); - - return 0; + return nbds + 2; } static uint16_t bnx2x_cid_ilt_lines(struct bnx2x_softc *sc) @@ -9570,8 +9552,10 @@ static int bnx2x_pci_get_caps(struct bnx2x_softc *sc) static void bnx2x_init_rte(struct bnx2x_softc *sc) { if (IS_VF(sc)) { - sc->max_tx_queues = BNX2X_VF_MAX_QUEUES_PER_VF; - sc->max_rx_queues = BNX2X_VF_MAX_QUEUES_PER_VF; + sc->max_tx_queues = min(BNX2X_VF_MAX_QUEUES_PER_VF, + sc->igu_sb_cnt); + sc->max_rx_queues = min(BNX2X_VF_MAX_QUEUES_PER_VF, + sc->igu_sb_cnt); } else { sc->max_tx_queues = 128; sc->max_rx_queues = 128; @@ -9713,7 +9697,7 @@ int bnx2x_attach(struct bnx2x_softc *sc) pci_read(sc, (sc->devinfo.pcie_msix_cap_reg + PCIR_MSIX_CTRL), &val, 2); - sc->igu_sb_cnt = (val & PCIM_MSIXCTRL_TABLE_SIZE); + sc->igu_sb_cnt = (val & PCIM_MSIXCTRL_TABLE_SIZE) + 1; } else { sc->igu_sb_cnt = 1; } diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index 135a6eb1..c24a5308 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -167,6 +167,8 @@ struct bnx2x_device_type { #define TX_PAGE(x) (((x) & ~USABLE_TX_BD_PER_PAGE) >> 8) #define TX_IDX(x) ((x) & USABLE_TX_BD_PER_PAGE) +#define BDS_PER_TX_PKT (3) + /* * Trigger pending transmits when the number of available BDs is greater * than 1/8 of the total number of usable BDs. @@ -1864,7 +1866,7 @@ int bnx2x_alloc_hsi_mem(struct bnx2x_softc *sc); int bnx2x_alloc_ilt_mem(struct bnx2x_softc *sc); void bnx2x_free_ilt_mem(struct bnx2x_softc *sc); void bnx2x_dump_tx_chain(struct bnx2x_fastpath * fp, int bd_prod, int count); -int bnx2x_tx_encap(struct bnx2x_tx_queue *txq, struct rte_mbuf **m_head, int m_pkts); +int bnx2x_tx_encap(struct bnx2x_tx_queue *txq, struct rte_mbuf *m0); uint8_t bnx2x_txeof(struct bnx2x_softc *sc, struct bnx2x_fastpath *fp); void bnx2x_print_adapter_info(struct bnx2x_softc *sc); int bnx2x_intr_legacy(struct bnx2x_softc *sc, int scan_fp); diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c index 071b44fe..3ff57c42 100644 --- a/drivers/net/bnx2x/bnx2x_ethdev.c +++ b/drivers/net/bnx2x/bnx2x_ethdev.c @@ -276,6 +276,9 @@ static void bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { struct bnx2x_softc *sc = dev->data->dev_private; + uint32_t brb_truncate_discard; + uint64_t brb_drops; + uint64_t brb_truncates; PMD_INIT_FUNC_TRACE(); @@ -316,6 +319,19 @@ bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) stats->rx_nombuf = HILO_U64(sc->eth_stats.no_buff_discard_hi, sc->eth_stats.no_buff_discard_lo); + + brb_drops = + HILO_U64(sc->eth_stats.brb_drop_hi, + sc->eth_stats.brb_drop_lo); + + brb_truncates = + HILO_U64(sc->eth_stats.brb_truncate_hi, + sc->eth_stats.brb_truncate_lo); + + brb_truncate_discard = sc->eth_stats.brb_truncate_discard; + + stats->imissed = brb_drops + brb_truncates + + brb_truncate_discard + stats->rx_nombuf; } static void diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c index 752a5e81..0ec4f899 100644 --- a/drivers/net/bnx2x/bnx2x_rxtx.c +++ b/drivers/net/bnx2x/bnx2x_rxtx.c @@ -11,17 +11,6 @@ #include "bnx2x.h" #include "bnx2x_rxtx.h" -static inline struct rte_mbuf * -bnx2x_rxmbuf_alloc(struct rte_mempool *mp) -{ - struct rte_mbuf *m; - - m = __rte_mbuf_raw_alloc(mp); - __rte_mbuf_sanity_check(m, 0); - - return m; -} - static const struct rte_memzone * ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name, uint16_t queue_id, uint32_t ring_size, int socket_id) @@ -148,7 +137,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev, /* Initialize software ring entries */ rxq->rx_mbuf_alloc = 0; for (idx = 0; idx < rxq->nb_rx_desc; idx = NEXT_RX_BD(idx)) { - mbuf = bnx2x_rxmbuf_alloc(mp); + mbuf = rte_mbuf_raw_alloc(mp); if (NULL == mbuf) { PMD_RX_LOG(ERR, "RX mbuf alloc failed queue_id=%u, idx=%d", (unsigned)rxq->queue_id, idx); @@ -222,40 +211,40 @@ bnx2x_xmit_pkts(void *p_txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) struct bnx2x_tx_queue *txq; struct bnx2x_softc *sc; struct bnx2x_fastpath *fp; - uint32_t burst, nb_tx; - struct rte_mbuf **m = tx_pkts; - int ret; + uint16_t nb_tx_pkts; + uint16_t nb_pkt_sent = 0; + uint32_t ret; txq = p_txq; sc = txq->sc; fp = &sc->fp[txq->queue_id]; - nb_tx = nb_pkts; - - do { - burst = RTE_MIN(nb_pkts, RTE_PMD_BNX2X_TX_MAX_BURST); - - ret = bnx2x_tx_encap(txq, m, burst); - if (unlikely(ret)) { - PMD_TX_LOG(ERR, "tx_encap failed!"); - } - - bnx2x_update_fp_sb_idx(fp); + if ((unlikely((txq->nb_tx_desc - txq->nb_tx_avail) > + txq->tx_free_thresh))) + bnx2x_txeof(sc, fp); - if ((txq->nb_tx_desc - txq->nb_tx_avail) > txq->tx_free_thresh) { - bnx2x_txeof(sc, fp); - } + nb_tx_pkts = RTE_MIN(nb_pkts, txq->nb_tx_avail / BDS_PER_TX_PKT); + if (unlikely(nb_tx_pkts == 0)) + return 0; - if (unlikely(ret == -ENOMEM)) { - break; - } + while (nb_tx_pkts--) { + struct rte_mbuf *m = *tx_pkts++; + assert(m != NULL); + ret = bnx2x_tx_encap(txq, m); + fp->tx_db.data.prod += ret; + nb_pkt_sent++; + } - m += burst; - nb_pkts -= burst; + bnx2x_update_fp_sb_idx(fp); + mb(); + DOORBELL(sc, txq->queue_id, fp->tx_db.raw); + mb(); - } while (nb_pkts); + if ((txq->nb_tx_desc - txq->nb_tx_avail) > + txq->tx_free_thresh) + bnx2x_txeof(sc, fp); - return nb_tx - nb_pkts; + return nb_pkt_sent; } int @@ -405,9 +394,11 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) len = cqe_fp->pkt_len_or_gro_seg_len; pad = cqe_fp->placement_offset; - new_mb = bnx2x_rxmbuf_alloc(rxq->mb_pool); + new_mb = rte_mbuf_raw_alloc(rxq->mb_pool); if (unlikely(!new_mb)) { PMD_RX_LOG(ERR, "mbuf alloc fail fp[%02d]", fp->index); + rte_eth_devices[rxq->port_id].data-> + rx_mbuf_alloc_failed++; goto next_rx; } @@ -427,7 +418,6 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rx_mb->next = NULL; rx_mb->pkt_len = rx_mb->data_len = len; rx_mb->port = rxq->port_id; - rx_mb->buf_len = len + pad; rte_prefetch1(rte_pktmbuf_mtod(rx_mb, void *)); /* diff --git a/drivers/net/bnx2x/elink.c b/drivers/net/bnx2x/elink.c index b9149b89..149cc975 100644 --- a/drivers/net/bnx2x/elink.c +++ b/drivers/net/bnx2x/elink.c @@ -5029,7 +5029,7 @@ static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy, if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { PMD_DRV_LOG(DEBUG, "1G parallel detect link on port %d", params->port); - return 1; + return ELINK_STATUS_ERROR; } CL22_RD_OVER_CL45(sc, phy, @@ -5039,7 +5039,7 @@ static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy, if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { PMD_DRV_LOG(DEBUG, "10G parallel detect link on port %d", params->port); - return 1; + return ELINK_STATUS_ERROR; } return ELINK_STATUS_OK; } @@ -6735,7 +6735,7 @@ static elink_status_t elink_8073_is_snr_needed(struct bnx2x_softc *sc, if (val != 0x102) return ELINK_STATUS_OK; - return 1; + return ELINK_STATUS_ERROR; } static elink_status_t elink_8073_xaui_wa(struct bnx2x_softc *sc, @@ -7557,7 +7557,7 @@ static elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy, uint16_t byte_cnt, uint8_t * o_buf) { - elink_status_t rc = 0; + elink_status_t rc = ELINK_STATUS_OK; uint8_t xfer_size; uint8_t *user_data = o_buf; read_sfp_module_eeprom_func_p read_func; |