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net/bnxt: get device infos

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Gets device info from the bp structure filled in the init() function.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Stephen Hurd <stephen.hurd@broadcom.com>
Reviewed-by: David Christensen <david.christensen@broadcom.com>
This commit is contained in:
Ajit Khaparde 2016-06-15 14:23:04 -07:00 committed by Bruce Richardson
parent beb3087f50
commit 0a6d2a7200
3 changed files with 99 additions and 1 deletions
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3
drivers/net/bnxt/bnxt.h
View File

@ -42,6 +42,9 @@
#include <rte_lcore.h>
#include <rte_spinlock.h>
#define BNXT_MAX_MTU 9000
#define VLAN_TAG_SIZE 4
struct bnxt_vf_info {
uint16_t fw_fid;
uint8_t mac_addr[ETHER_ADDR_LEN];

95
drivers/net/bnxt/bnxt_ethdev.c
View File

@ -60,11 +60,106 @@ static void bnxt_dev_close_op(struct rte_eth_dev *eth_dev)
bnxt_free_hwrm_resources(bp);
}
/*
* Device configuration and status function
*/
static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *dev_info)
{
struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
uint16_t max_vnics, i, j, vpool, vrxq;
/* MAC Specifics */
dev_info->max_mac_addrs = MAX_NUM_MAC_ADDR;
dev_info->max_hash_mac_addrs = 0;
/* PF/VF specifics */
if (BNXT_PF(bp)) {
dev_info->max_rx_queues = bp->pf.max_rx_rings;
dev_info->max_tx_queues = bp->pf.max_tx_rings;
dev_info->max_vfs = bp->pf.active_vfs;
dev_info->reta_size = bp->pf.max_rsscos_ctx;
max_vnics = bp->pf.max_vnics;
} else {
dev_info->max_rx_queues = bp->vf.max_rx_rings;
dev_info->max_tx_queues = bp->vf.max_tx_rings;
dev_info->reta_size = bp->vf.max_rsscos_ctx;
max_vnics = bp->vf.max_vnics;
}
/* Fast path specifics */
dev_info->min_rx_bufsize = 1;
dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN
+ VLAN_TAG_SIZE;
dev_info->rx_offload_capa = 0;
dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_TSO;
/* *INDENT-OFF* */
dev_info->default_rxconf = (struct rte_eth_rxconf) {
.rx_thresh = {
.pthresh = 8,
.hthresh = 8,
.wthresh = 0,
},
.rx_free_thresh = 32,
.rx_drop_en = 0,
};
dev_info->default_txconf = (struct rte_eth_txconf) {
.tx_thresh = {
.pthresh = 32,
.hthresh = 0,
.wthresh = 0,
},
.tx_free_thresh = 32,
.tx_rs_thresh = 32,
.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
ETH_TXQ_FLAGS_NOOFFLOADS,
};
/* *INDENT-ON* */
/*
* TODO: default_rxconf, default_txconf, rx_desc_lim, and tx_desc_lim
* need further investigation.
*/
/* VMDq resources */
vpool = 64; /* ETH_64_POOLS */
vrxq = 128; /* ETH_VMDQ_DCB_NUM_QUEUES */
for (i = 0; i < 4; vpool >>= 1, i++) {
if (max_vnics > vpool) {
for (j = 0; j < 5; vrxq >>= 1, j++) {
if (dev_info->max_rx_queues > vrxq) {
if (vpool > vrxq)
vpool = vrxq;
goto found;
}
}
/* Not enough resources to support VMDq */
break;
}
}
/* Not enough resources to support VMDq */
vpool = 0;
vrxq = 0;
found:
dev_info->max_vmdq_pools = vpool;
dev_info->vmdq_queue_num = vrxq;
dev_info->vmdq_pool_base = 0;
dev_info->vmdq_queue_base = 0;
}
/*
* Initialization
*/
static struct eth_dev_ops bnxt_dev_ops = {
.dev_infos_get = bnxt_dev_info_get_op,
.dev_close = bnxt_dev_close_op,
};

2
drivers/net/bnxt/bnxt_hwrm.c
View File

@ -83,7 +83,7 @@ static int bnxt_hwrm_send_message_locked(struct bnxt *bp, void *msg,
/* Sanity check on the resp->resp_len */
rte_rmb();
if (resp->resp_len && resp->resp_len <=
bp->max_resp_len) {
bp->max_resp_len) {
/* Last byte of resp contains the valid key */
valid = (uint8_t *)resp + resp->resp_len - 1;
if (*valid == HWRM_RESP_VALID_KEY)