bnx2x_upd_rx_prod_fast(struct bnx2x_softc *sc, struct bnx2x_fastpath *fp,
uint16_t rx_bd_prod, uint16_t rx_cq_prod)
{
- struct ustorm_eth_rx_producers rx_prods = { 0 };
- uint32_t *val = NULL;
+ union {
+ struct ustorm_eth_rx_producers rx_prods;
+ uint32_t val;
+ } val = { {0} };
- rx_prods.bd_prod = rx_bd_prod;
- rx_prods.cqe_prod = rx_cq_prod;
+ val.rx_prods.bd_prod = rx_bd_prod;
+ val.rx_prods.cqe_prod = rx_cq_prod;
- val = (uint32_t *)&rx_prods;
- REG_WR(sc, fp->ustorm_rx_prods_offset, val[0]);
+ REG_WR(sc, fp->ustorm_rx_prods_offset, val.val);
}
static uint16_t
struct rte_mbuf *new_mb;
uint16_t rx_pref;
struct eth_fast_path_rx_cqe *cqe_fp;
- uint16_t len, pad;
+ uint16_t len, pad, bd_len, buf_len;
struct rte_mbuf *rx_mb = NULL;
+ static bool log_once = true;
+
+ rte_spinlock_lock(&(fp)->rx_mtx);
hw_cq_cons = le16toh(*fp->rx_cq_cons_sb);
if ((hw_cq_cons & USABLE_RCQ_ENTRIES_PER_PAGE) ==
sw_cq_cons = rxq->rx_cq_head;
sw_cq_prod = rxq->rx_cq_tail;
- if (sw_cq_cons == hw_cq_cons)
+ if (sw_cq_cons == hw_cq_cons) {
+ rte_spinlock_unlock(&(fp)->rx_mtx);
return 0;
+ }
while (nb_rx < nb_pkts && sw_cq_cons != hw_cq_cons) {
len = cqe_fp->pkt_len_or_gro_seg_len;
pad = cqe_fp->placement_offset;
+ bd_len = cqe_fp->len_on_bd;
+ buf_len = rxq->sw_ring[bd_cons]->buf_len;
+
+ /* Check for sufficient buffer length */
+ if (unlikely(buf_len < len + (pad + RTE_PKTMBUF_HEADROOM))) {
+ if (unlikely(log_once)) {
+ PMD_DRV_LOG(ERR, sc, "mbuf size %d is not enough to hold Rx packet length more than %d",
+ buf_len - RTE_PKTMBUF_HEADROOM,
+ buf_len -
+ (pad + RTE_PKTMBUF_HEADROOM));
+ log_once = false;
+ }
+ goto next_rx;
+ }
new_mb = rte_mbuf_raw_alloc(rxq->mb_pool);
if (unlikely(!new_mb)) {
rx_mb->data_off = pad + RTE_PKTMBUF_HEADROOM;
rx_mb->nb_segs = 1;
rx_mb->next = NULL;
- rx_mb->pkt_len = rx_mb->data_len = len;
+ rx_mb->pkt_len = len;
+ rx_mb->data_len = bd_len;
rx_mb->port = rxq->port_id;
rte_prefetch1(rte_pktmbuf_mtod(rx_mb, void *));
*/
if (cqe_fp->pars_flags.flags & PARSING_FLAGS_VLAN) {
rx_mb->vlan_tci = cqe_fp->vlan_tag;
- rx_mb->ol_flags |= PKT_RX_VLAN;
+ rx_mb->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
}
rx_pkts[nb_rx] = rx_mb;
bnx2x_upd_rx_prod_fast(sc, fp, bd_prod, sw_cq_prod);
+ rte_spinlock_unlock(&(fp)->rx_mtx);
+
return nb_rx;
}