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path: root/drivers/net/bnxt/bnxt_rxr.c
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Diffstat (limited to 'drivers/net/bnxt/bnxt_rxr.c')
-rw-r--r--drivers/net/bnxt/bnxt_rxr.c110
1 files changed, 99 insertions, 11 deletions
diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index bee67d33..30891b74 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -199,7 +199,7 @@ static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
if (tpa_start1->flags2 &
rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_META_FORMAT_VLAN)) {
mbuf->vlan_tci = rte_le_to_cpu_32(tpa_start1->metadata);
- mbuf->ol_flags |= PKT_RX_VLAN_PKT;
+ mbuf->ol_flags |= PKT_RX_VLAN;
}
if (likely(tpa_start1->flags2 &
rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC)))
@@ -219,6 +219,9 @@ static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
raw_cp_cons = ADV_RAW_CMP(raw_cp_cons, agg_bufs);
last_cp_cons = RING_CMP(cpr->cp_ring_struct, raw_cp_cons);
agg_cmpl = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[last_cp_cons];
+ cpr->valid = FLIP_VALID(raw_cp_cons,
+ cpr->cp_ring_struct->ring_mask,
+ cpr->valid);
return CMP_VALID(agg_cmpl, raw_cp_cons, cpr->cp_ring_struct);
}
@@ -332,6 +335,48 @@ static inline struct rte_mbuf *bnxt_tpa_end(
return mbuf;
}
+static uint32_t
+bnxt_parse_pkt_type(struct rx_pkt_cmpl *rxcmp, struct rx_pkt_cmpl_hi *rxcmp1)
+{
+ uint32_t pkt_type = 0;
+ uint32_t t_ipcs = 0, ip = 0, ip6 = 0;
+ uint32_t tcp = 0, udp = 0, icmp = 0;
+ uint32_t vlan = 0;
+
+ vlan = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN));
+ t_ipcs = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC));
+ ip6 = !!(rxcmp1->flags2 &
+ rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_IP_TYPE));
+ icmp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_ICMP));
+ tcp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_TCP));
+ udp = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_UDP));
+ ip = !!(rxcmp->flags_type &
+ rte_cpu_to_le_16(RX_PKT_CMPL_FLAGS_ITYPE_IP));
+
+ pkt_type |= ((ip || tcp || udp || icmp) && !t_ipcs && !ip6) ?
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && !t_ipcs && ip6) ?
+ RTE_PTYPE_L3_IPV6_EXT_UNKNOWN : 0;
+ pkt_type |= (!t_ipcs && icmp) ? RTE_PTYPE_L4_ICMP : 0;
+ pkt_type |= (!t_ipcs && udp) ? RTE_PTYPE_L4_UDP : 0;
+ pkt_type |= (!t_ipcs && tcp) ? RTE_PTYPE_L4_TCP : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && t_ipcs && !ip6) ?
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN : 0;
+ pkt_type |= ((ip || tcp || udp || icmp) && t_ipcs && ip6) ?
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN : 0;
+ pkt_type |= (t_ipcs && icmp) ? RTE_PTYPE_INNER_L4_ICMP : 0;
+ pkt_type |= (t_ipcs && udp) ? RTE_PTYPE_INNER_L4_UDP : 0;
+ pkt_type |= (t_ipcs && tcp) ? RTE_PTYPE_INNER_L4_TCP : 0;
+ pkt_type |= vlan ? RTE_PTYPE_L2_ETHER_VLAN : 0;
+
+ return pkt_type;
+}
+
static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
struct bnxt_rx_queue *rxq, uint32_t *raw_cons)
{
@@ -360,13 +405,17 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
if (!CMP_VALID(rxcmp1, tmp_raw_cons, cpr->cp_ring_struct))
return -EBUSY;
+ cpr->valid = FLIP_VALID(cp_cons,
+ cpr->cp_ring_struct->ring_mask,
+ cpr->valid);
+
cmp_type = CMP_TYPE(rxcmp);
- if (cmp_type == RX_PKT_CMPL_TYPE_RX_L2_TPA_START) {
+ if (cmp_type == RX_TPA_START_CMPL_TYPE_RX_TPA_START) {
bnxt_tpa_start(rxq, (struct rx_tpa_start_cmpl *)rxcmp,
(struct rx_tpa_start_cmpl_hi *)rxcmp1);
rc = -EINVAL; /* Continue w/o new mbuf */
goto next_rx;
- } else if (cmp_type == RX_PKT_CMPL_TYPE_RX_L2_TPA_END) {
+ } else if (cmp_type == RX_TPA_END_CMPL_TYPE_RX_TPA_END) {
mbuf = bnxt_tpa_end(rxq, &tmp_raw_cons,
(struct rx_tpa_end_cmpl *)rxcmp,
(struct rx_tpa_end_cmpl_hi *)rxcmp1);
@@ -388,10 +437,10 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
cons = rxcmp->opaque;
mbuf = bnxt_consume_rx_buf(rxr, cons);
- rte_prefetch0(mbuf);
-
if (mbuf == NULL)
- return -ENOMEM;
+ return -EBUSY;
+
+ rte_prefetch0(mbuf);
mbuf->nb_segs = 1;
mbuf->next = NULL;
@@ -415,9 +464,21 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
(RX_PKT_CMPL_METADATA_VID_MASK |
RX_PKT_CMPL_METADATA_DE |
RX_PKT_CMPL_METADATA_PRI_MASK);
- mbuf->ol_flags |= PKT_RX_VLAN_PKT;
+ mbuf->ol_flags |= PKT_RX_VLAN;
}
+ if (likely(RX_CMP_IP_CS_OK(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+ else
+ mbuf->ol_flags |= PKT_RX_IP_CKSUM_NONE;
+
+ if (likely(RX_CMP_L4_CS_OK(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+ else
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_NONE;
+
+ mbuf->packet_type = bnxt_parse_pkt_type(rxcmp, rxcmp1);
+
#ifdef BNXT_DEBUG
if (rxcmp1->errors_v2 & RX_CMP_L2_ERRORS) {
/* Re-install the mbuf back to the rx ring */
@@ -448,13 +509,14 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
if (bnxt_alloc_rx_data(rxq, rxr, prod)) {
RTE_LOG(ERR, PMD, "mbuf alloc failed with prod=0x%x\n", prod);
rc = -ENOMEM;
+ goto rx;
}
rxr->rx_prod = prod;
/*
* All MBUFs are allocated with the same size under DPDK,
* no optimization for rx_copy_thresh
*/
-
+rx:
*rx_pkt = mbuf;
next_rx:
@@ -476,22 +538,24 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
struct rx_pkt_cmpl *rxcmp;
uint16_t prod = rxr->rx_prod;
uint16_t ag_prod = rxr->ag_prod;
+ int rc = 0;
/* Handle RX burst request */
while (1) {
- int rc;
-
cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
rte_prefetch0(&cpr->cp_desc_ring[cons]);
rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
if (!CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct))
break;
+ cpr->valid = FLIP_VALID(cons,
+ cpr->cp_ring_struct->ring_mask,
+ cpr->valid);
/* TODO: Avoid magic numbers... */
if ((CMP_TYPE(rxcmp) & 0x30) == 0x10) {
rc = bnxt_rx_pkt(&rx_pkts[nb_rx_pkts], rxq, &raw_cons);
- if (likely(!rc))
+ if (likely(!rc) || rc == -ENOMEM)
nb_rx_pkts++;
if (rc == -EBUSY) /* partial completion */
break;
@@ -514,6 +578,30 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
/* Ring the AGG ring DB */
B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ /* Attempt to alloc Rx buf in case of a previous allocation failure. */
+ if (rc == -ENOMEM) {
+ int i;
+
+ for (i = prod; i <= nb_rx_pkts;
+ i = RING_NEXT(rxr->rx_ring_struct, i)) {
+ struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i];
+
+ /* Buffer already allocated for this index. */
+ if (rx_buf->mbuf != NULL)
+ continue;
+
+ /* This slot is empty. Alloc buffer for Rx */
+ if (!bnxt_alloc_rx_data(rxq, rxr, i)) {
+ rxr->rx_prod = i;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ } else {
+ RTE_LOG(ERR, PMD, "Alloc mbuf failed\n");
+ break;
+ }
+ }
+ }
+
return nb_rx_pkts;
}