#define BIT(nr) (1UL << (nr))
#define OCCTX_RX_OFFLOAD_NONE (0)
-#define OCCTX_RX_OFFLOAD_RSS_F BIT(0)
-#define OCCTX_RX_VLAN_FLTR_F BIT(1)
-#define OCCTX_RX_MULTI_SEG_F BIT(15)
+#define OCCTX_RX_MULTI_SEG_F BIT(0)
+#define OCCTX_RX_OFFLOAD_CSUM_F BIT(1)
+#define OCCTX_RX_VLAN_FLTR_F BIT(2)
#define OCCTX_TX_OFFLOAD_NONE (0)
+#define OCCTX_TX_MULTI_SEG_F BIT(0)
+#define OCCTX_TX_OFFLOAD_L3_L4_CSUM_F BIT(1)
+#define OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F BIT(2)
#define OCCTX_TX_OFFLOAD_MBUF_NOFF_F BIT(3)
-#define OCCTX_TX_MULTI_SEG_F BIT(15)
/* Packet type table */
#define PTYPE_SIZE OCCTX_PKI_LTYPE_LAST
+/* octeontx send header sub descriptor structure */
+RTE_STD_C11
+union octeontx_send_hdr_w0_u {
+ uint64_t u;
+ struct {
+ uint64_t total : 16;
+ uint64_t markptr : 8;
+ uint64_t l3ptr : 8;
+ uint64_t l4ptr : 8;
+ uint64_t ii : 1;
+ uint64_t shp_dis : 1;
+ uint64_t ckle : 1;
+ uint64_t cklf : 2;
+ uint64_t ckl3 : 1;
+ uint64_t ckl4 : 2;
+ uint64_t p : 1;
+ uint64_t format : 7;
+ uint64_t tstamp : 1;
+ uint64_t tso_eom : 1;
+ uint64_t df : 1;
+ uint64_t tso : 1;
+ uint64_t n2 : 1;
+ uint64_t scntn1 : 3;
+ };
+};
+
+RTE_STD_C11
+union octeontx_send_hdr_w1_u {
+ uint64_t u;
+ struct {
+ uint64_t tso_mss : 14;
+ uint64_t shp_ra : 2;
+ uint64_t tso_sb : 8;
+ uint64_t leptr : 8;
+ uint64_t lfptr : 8;
+ uint64_t shp_chg : 9;
+ uint64_t tso_fn : 7;
+ uint64_t l2len : 8;
+ };
+};
+
+struct octeontx_send_hdr_s {
+ union octeontx_send_hdr_w0_u w0;
+ union octeontx_send_hdr_w1_u w1;
+};
+
static const uint32_t __rte_cache_aligned
ptype_table[PTYPE_SIZE][PTYPE_SIZE][PTYPE_SIZE] = {
[LC_NONE][LE_NONE][LF_NONE] = RTE_PTYPE_UNKNOWN,
return 1;
}
+static __rte_always_inline void
+octeontx_tx_checksum_offload(uint64_t *cmd_buf, const uint16_t flags,
+ struct rte_mbuf *m)
+{
+ struct octeontx_send_hdr_s *send_hdr =
+ (struct octeontx_send_hdr_s *)cmd_buf;
+ uint64_t ol_flags = m->ol_flags;
+
+ /* PKO Checksum L4 Algorithm Enumeration
+ * 0x0 - No checksum
+ * 0x1 - UDP L4 checksum
+ * 0x2 - TCP L4 checksum
+ * 0x3 - SCTP L4 checksum
+ */
+ const uint8_t csum = (!(((ol_flags ^ PKT_TX_UDP_CKSUM) >> 52) & 0x3) +
+ (!(((ol_flags ^ PKT_TX_TCP_CKSUM) >> 52) & 0x3) * 2) +
+ (!(((ol_flags ^ PKT_TX_SCTP_CKSUM) >> 52) & 0x3) * 3));
+
+ const uint8_t is_tunnel_parsed = (!!(ol_flags & PKT_TX_TUNNEL_GTP) ||
+ !!(ol_flags & PKT_TX_TUNNEL_VXLAN_GPE) ||
+ !!(ol_flags & PKT_TX_TUNNEL_VXLAN) ||
+ !!(ol_flags & PKT_TX_TUNNEL_GRE) ||
+ !!(ol_flags & PKT_TX_TUNNEL_GENEVE) ||
+ !!(ol_flags & PKT_TX_TUNNEL_IP) ||
+ !!(ol_flags & PKT_TX_TUNNEL_IPIP));
+
+ const uint8_t csum_outer = (!!(ol_flags & PKT_TX_OUTER_UDP_CKSUM) ||
+ !!(ol_flags & PKT_TX_TUNNEL_UDP));
+ const uint8_t outer_l2_len = m->outer_l2_len;
+ const uint8_t l2_len = m->l2_len;
+
+ if ((flags & OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
+ (flags & OCCTX_TX_OFFLOAD_L3_L4_CSUM_F)) {
+ if (is_tunnel_parsed) {
+ /* Outer L3 */
+ send_hdr->w0.l3ptr = outer_l2_len;
+ send_hdr->w0.l4ptr = outer_l2_len + m->outer_l3_len;
+ /* Set clk3 for PKO to calculate IPV4 header checksum */
+ send_hdr->w0.ckl3 = !!(ol_flags & PKT_TX_OUTER_IPV4);
+
+ /* Outer L4 */
+ send_hdr->w0.ckl4 = csum_outer;
+
+ /* Inner L3 */
+ send_hdr->w1.leptr = send_hdr->w0.l4ptr + l2_len;
+ send_hdr->w1.lfptr = send_hdr->w1.leptr + m->l3_len;
+ /* Set clke for PKO to calculate inner IPV4 header
+ * checksum.
+ */
+ send_hdr->w0.ckle = !!(ol_flags & PKT_TX_IPV4);
+
+ /* Inner L4 */
+ send_hdr->w0.cklf = csum;
+ } else {
+ /* Inner L3 */
+ send_hdr->w0.l3ptr = l2_len;
+ send_hdr->w0.l4ptr = l2_len + m->l3_len;
+ /* Set clk3 for PKO to calculate IPV4 header checksum */
+ send_hdr->w0.ckl3 = !!(ol_flags & PKT_TX_IPV4);
+
+ /* Inner L4 */
+ send_hdr->w0.ckl4 = csum;
+ }
+ } else if (flags & OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F) {
+ /* Outer L3 */
+ send_hdr->w0.l3ptr = outer_l2_len;
+ send_hdr->w0.l4ptr = outer_l2_len + m->outer_l3_len;
+ /* Set clk3 for PKO to calculate IPV4 header checksum */
+ send_hdr->w0.ckl3 = !!(ol_flags & PKT_TX_OUTER_IPV4);
+
+ /* Outer L4 */
+ send_hdr->w0.ckl4 = csum_outer;
+ } else if (flags & OCCTX_TX_OFFLOAD_L3_L4_CSUM_F) {
+ /* Inner L3 */
+ send_hdr->w0.l3ptr = l2_len;
+ send_hdr->w0.l4ptr = l2_len + m->l3_len;
+ /* Set clk3 for PKO to calculate IPV4 header checksum */
+ send_hdr->w0.ckl3 = !!(ol_flags & PKT_TX_IPV4);
+
+ /* Inner L4 */
+ send_hdr->w0.ckl4 = csum;
+ }
+}
+
static __rte_always_inline uint16_t
__octeontx_xmit_prepare(struct rte_mbuf *tx_pkt, uint64_t *cmd_buf,
const uint16_t flag)
cmd_buf[nb_desc++] = tx_pkt->data_len & 0xffff;
cmd_buf[nb_desc++] = 0x0;
+ /* Enable tx checksum offload */
+ if ((flag & OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F) ||
+ (flag & OCCTX_TX_OFFLOAD_L3_L4_CSUM_F))
+ octeontx_tx_checksum_offload(cmd_buf, flag, tx_pkt);
+
/* SEND_HDR[DF] bit controls if buffer is to be freed or
* not, as SG_DESC[I] and SEND_HDR[II] are clear.
*/
cmd_buf[nb_desc++] = tx_pkt->pkt_len & 0xffff;
cmd_buf[nb_desc++] = 0x0;
+ /* Enable tx checksum offload */
+ if ((flag & OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F) ||
+ (flag & OCCTX_TX_OFFLOAD_L3_L4_CSUM_F))
+ octeontx_tx_checksum_offload(cmd_buf, flag, tx_pkt);
+
do {
m_next = tx_pkt->next;
/* To handle case where mbufs belong to diff pools, like
uint16_t
octeontx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+#define L3L4CSUM_F OCCTX_TX_OFFLOAD_L3_L4_CSUM_F
+#define OL3OL4CSUM_F OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F
#define NOFF_F OCCTX_TX_OFFLOAD_MBUF_NOFF_F
#define MULT_F OCCTX_TX_MULTI_SEG_F
-/* [NOFF] [MULTI_SEG] */
-#define OCCTX_TX_FASTPATH_MODES \
-T(no_offload, 0, 0, 4, OCCTX_TX_OFFLOAD_NONE) \
-T(mseg, 0, 1, 14, MULT_F) \
-T(noff, 1, 0, 4, NOFF_F) \
-T(noff_mseg, 1, 1, 14, NOFF_F | MULT_F)
+
+/* [L3L4CSUM_F] [OL3OL4CSUM_F] [NOFF] [MULTI_SEG] */
+#define OCCTX_TX_FASTPATH_MODES \
+T(no_offload, 0, 0, 0, 0, 4, \
+ OCCTX_TX_OFFLOAD_NONE) \
+T(mseg, 0, 0, 0, 1, 14, \
+ MULT_F) \
+T(l3l4csum, 0, 0, 1, 0, 4, \
+ L3L4CSUM_F) \
+T(l3l4csum_mseg, 0, 0, 1, 1, 14, \
+ L3L4CSUM_F | MULT_F) \
+T(ol3ol4csum, 0, 1, 0, 0, 4, \
+ OL3OL4CSUM_F) \
+T(ol3l4csum_mseg, 0, 1, 0, 1, 14, \
+ OL3OL4CSUM_F | MULT_F) \
+T(ol3l4csum_l3l4csum, 0, 1, 1, 0, 4, \
+ OL3OL4CSUM_F | L3L4CSUM_F) \
+T(ol3l4csum_l3l4csum_mseg, 0, 1, 1, 1, 14, \
+ OL3OL4CSUM_F | L3L4CSUM_F | MULT_F) \
+T(noff, 1, 0, 0, 0, 4, \
+ NOFF_F) \
+T(noff_mseg, 1, 0, 0, 1, 14, \
+ NOFF_F | MULT_F) \
+T(noff_l3l4csum, 1, 0, 1, 0, 4, \
+ NOFF_F | L3L4CSUM_F) \
+T(noff_l3l4csum_mseg, 1, 0, 1, 1, 14, \
+ NOFF_F | L3L4CSUM_F | MULT_F) \
+T(noff_ol3ol4csum, 1, 1, 0, 0, 4, \
+ NOFF_F | OL3OL4CSUM_F) \
+T(noff_ol3ol4csum_mseg, 1, 1, 0, 1, 14, \
+ NOFF_F | OL3OL4CSUM_F | MULT_F) \
+T(noff_ol3ol4csum_l3l4csum, 1, 1, 1, 0, 4, \
+ NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F) \
+T(noff_ol3ol4csum_l3l4csum_mseg, 1, 1, 1, 1, 14, \
+ NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F | \
+ MULT_F)
#endif /* __OCTEONTX_RXTX_H__ */
git.droids-corp.org / dpdk.git / commitdiff