#include "enic_compat.h"
#include "rq_enet_desc.h"
#include "enic.h"
+#include <rte_ether.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
#define RTE_PMD_USE_PREFETCH
CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
}
+/* Find the offset to L5. This is needed by enic TSO implementation.
+ * Return 0 if not a TCP packet or can't figure out the length.
+ */
+static inline uint8_t tso_header_len(struct rte_mbuf *mbuf)
+{
+ struct ether_hdr *eh;
+ struct vlan_hdr *vh;
+ struct ipv4_hdr *ip4;
+ struct ipv6_hdr *ip6;
+ struct tcp_hdr *th;
+ uint8_t hdr_len;
+ uint16_t ether_type;
+
+ /* offset past Ethernet header */
+ eh = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
+ ether_type = eh->ether_type;
+ hdr_len = sizeof(struct ether_hdr);
+ if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) {
+ vh = rte_pktmbuf_mtod_offset(mbuf, struct vlan_hdr *, hdr_len);
+ ether_type = vh->eth_proto;
+ hdr_len += sizeof(struct vlan_hdr);
+ }
+
+ /* offset past IP header */
+ switch (rte_be_to_cpu_16(ether_type)) {
+ case ETHER_TYPE_IPv4:
+ ip4 = rte_pktmbuf_mtod_offset(mbuf, struct ipv4_hdr *, hdr_len);
+ if (ip4->next_proto_id != IPPROTO_TCP)
+ return 0;
+ hdr_len += (ip4->version_ihl & 0xf) * 4;
+ break;
+ case ETHER_TYPE_IPv6:
+ ip6 = rte_pktmbuf_mtod_offset(mbuf, struct ipv6_hdr *, hdr_len);
+ if (ip6->proto != IPPROTO_TCP)
+ return 0;
+ hdr_len += sizeof(struct ipv6_hdr);
+ break;
+ default:
+ return 0;
+ }
+
+ if ((hdr_len + sizeof(struct tcp_hdr)) > mbuf->pkt_len)
+ return 0;
+
+ /* offset past TCP header */
+ th = rte_pktmbuf_mtod_offset(mbuf, struct tcp_hdr *, hdr_len);
+ hdr_len += (th->data_off >> 4) * 4;
+
+ if (hdr_len > mbuf->pkt_len)
+ return 0;
+
+ return hdr_len;
+}
+
static inline uint8_t
enic_cq_rx_check_err(struct cq_desc *cqd)
{
}
/* checksum flags */
- if (!enic_cq_rx_desc_csum_not_calc(cqrd) &&
- (mbuf->packet_type & RTE_PTYPE_L3_IPV4)) {
- uint32_t l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK;
-
- if (unlikely(!enic_cq_rx_desc_ipv4_csum_ok(cqrd)))
- pkt_flags |= PKT_RX_IP_CKSUM_BAD;
- if (l4_flags == RTE_PTYPE_L4_UDP ||
- l4_flags == RTE_PTYPE_L4_TCP) {
- if (unlikely(!enic_cq_rx_desc_tcp_udp_csum_ok(cqrd)))
- pkt_flags |= PKT_RX_L4_CKSUM_BAD;
+ if (mbuf->packet_type & RTE_PTYPE_L3_IPV4) {
+ if (enic_cq_rx_desc_csum_not_calc(cqrd))
+ pkt_flags |= (PKT_RX_IP_CKSUM_UNKNOWN &
+ PKT_RX_L4_CKSUM_UNKNOWN);
+ else {
+ uint32_t l4_flags;
+ l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK;
+
+ if (enic_cq_rx_desc_ipv4_csum_ok(cqrd))
+ pkt_flags |= PKT_RX_IP_CKSUM_GOOD;
+ else
+ pkt_flags |= PKT_RX_IP_CKSUM_BAD;
+
+ if (l4_flags & (RTE_PTYPE_L4_UDP | RTE_PTYPE_L4_TCP)) {
+ if (enic_cq_rx_desc_tcp_udp_csum_ok(cqrd))
+ pkt_flags |= PKT_RX_L4_CKSUM_GOOD;
+ else
+ pkt_flags |= PKT_RX_L4_CKSUM_BAD;
+ }
}
}
if (rq->is_sop) {
first_seg = rxmb;
- first_seg->nb_segs = 1;
first_seg->pkt_len = seg_length;
} else {
first_seg->pkt_len = (uint16_t)(first_seg->pkt_len
last_seg->next = rxmb;
}
- rxmb->next = NULL;
rxmb->port = enic->port_id;
rxmb->data_len = seg_length;
rte_mb();
if (data_rq->in_use)
- iowrite32(data_rq->posted_index,
- &data_rq->ctrl->posted_index);
+ iowrite32_relaxed(data_rq->posted_index,
+ &data_rq->ctrl->posted_index);
rte_compiler_barrier();
- iowrite32(sop_rq->posted_index, &sop_rq->ctrl->posted_index);
+ iowrite32_relaxed(sop_rq->posted_index,
+ &sop_rq->ctrl->posted_index);
}
pool = ((struct rte_mbuf *)buf->mb)->pool;
for (i = 0; i < nb_to_free; i++) {
buf = &wq->bufs[tail_idx];
- m = __rte_pktmbuf_prefree_seg((struct rte_mbuf *)(buf->mb));
+ m = rte_pktmbuf_prefree_seg((struct rte_mbuf *)(buf->mb));
buf->mb = NULL;
if (unlikely(m == NULL)) {
uint8_t vlan_tag_insert;
uint8_t eop;
uint64_t bus_addr;
+ uint8_t offload_mode;
+ uint16_t header_len;
enic_cleanup_wq(enic, wq);
wq_desc_avail = vnic_wq_desc_avail(wq);
desc_p = descs + head_idx;
eop = (data_len == pkt_len);
-
- if (ol_flags & ol_flags_mask) {
- if (ol_flags & PKT_TX_VLAN_PKT) {
- vlan_tag_insert = 1;
- vlan_id = tx_pkt->vlan_tci;
+ offload_mode = WQ_ENET_OFFLOAD_MODE_CSUM;
+ header_len = 0;
+
+ if (tx_pkt->tso_segsz) {
+ header_len = tso_header_len(tx_pkt);
+ if (header_len) {
+ offload_mode = WQ_ENET_OFFLOAD_MODE_TSO;
+ mss = tx_pkt->tso_segsz;
}
-
+ }
+ if ((ol_flags & ol_flags_mask) && (header_len == 0)) {
if (ol_flags & PKT_TX_IP_CKSUM)
mss |= ENIC_CALC_IP_CKSUM;
}
}
- wq_enet_desc_enc(&desc_tmp, bus_addr, data_len, mss, 0, 0, eop,
- eop, 0, vlan_tag_insert, vlan_id, 0);
+ if (ol_flags & PKT_TX_VLAN_PKT) {
+ vlan_tag_insert = 1;
+ vlan_id = tx_pkt->vlan_tci;
+ }
+
+ wq_enet_desc_enc(&desc_tmp, bus_addr, data_len, mss, header_len,
+ offload_mode, eop, eop, 0, vlan_tag_insert,
+ vlan_id, 0);
*desc_p = desc_tmp;
buf = &wq->bufs[head_idx];
+ tx_pkt->data_off);
wq_enet_desc_enc((struct wq_enet_desc *)
&desc_tmp, bus_addr, data_len,
- mss, 0, 0, eop, eop, 0,
- vlan_tag_insert, vlan_id, 0);
+ mss, 0, offload_mode, eop, eop,
+ 0, vlan_tag_insert, vlan_id,
+ 0);
*desc_p = desc_tmp;
buf = &wq->bufs[head_idx];
}
post:
rte_wmb();
- iowrite32(head_idx, &wq->ctrl->posted_index);
+ iowrite32_relaxed(head_idx, &wq->ctrl->posted_index);
done:
wq->ring.desc_avail = wq_desc_avail;
wq->head_idx = head_idx;
Code Review / deb_dpdk.git / blobdiff