X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fenic%2Fenic_flow.c;h=bdac1f755e3522599852cbec37c362a9933ef85e;hb=35b2d13fd6fdcbd191f2a30d74648faeb1186c65;hp=b3172e7be5d1682b4d051de5a48d4ad5beb960ef;hpb=593f17668f5ba3445bdedaa0edc5d308ca43e061;p=dpdk.git diff --git a/drivers/net/enic/enic_flow.c b/drivers/net/enic/enic_flow.c index b3172e7be5..bdac1f755e 100644 --- a/drivers/net/enic/enic_flow.c +++ b/drivers/net/enic/enic_flow.c @@ -30,11 +30,16 @@ * filter: Partially filled in NIC filter structure. * inner_ofst: If zero, this is an outer header. If non-zero, this is * the offset into L5 where the header begins. + * l2_proto_off: offset to EtherType eth or vlan header. + * l3_proto_off: offset to next protocol field in IPv4 or 6 header. */ struct copy_item_args { const struct rte_flow_item *item; struct filter_v2 *filter; uint8_t *inner_ofst; + uint8_t l2_proto_off; + uint8_t l3_proto_off; + struct enic *enic; }; /* functions for copying items into enic filters */ @@ -50,6 +55,8 @@ struct enic_items { * versions, it's invalid to start the stack above layer 3. */ const u8 valid_start_item; + /* Inner packet version of copy_item. */ + enic_copy_item_fn *inner_copy_item; }; /** Filtering capabilities for various NIC and firmware versions. */ @@ -86,6 +93,12 @@ static enic_copy_item_fn enic_copy_item_udp_v2; static enic_copy_item_fn enic_copy_item_tcp_v2; static enic_copy_item_fn enic_copy_item_sctp_v2; static enic_copy_item_fn enic_copy_item_vxlan_v2; +static enic_copy_item_fn enic_copy_item_inner_eth_v2; +static enic_copy_item_fn enic_copy_item_inner_vlan_v2; +static enic_copy_item_fn enic_copy_item_inner_ipv4_v2; +static enic_copy_item_fn enic_copy_item_inner_ipv6_v2; +static enic_copy_item_fn enic_copy_item_inner_udp_v2; +static enic_copy_item_fn enic_copy_item_inner_tcp_v2; static copy_action_fn enic_copy_action_v1; static copy_action_fn enic_copy_action_v2; @@ -100,6 +113,7 @@ static const struct enic_items enic_items_v1[] = { .prev_items = (const enum rte_flow_item_type[]) { RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_UDP] = { .copy_item = enic_copy_item_udp_v1, @@ -108,6 +122,7 @@ static const struct enic_items enic_items_v1[] = { RTE_FLOW_ITEM_TYPE_IPV4, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_TCP] = { .copy_item = enic_copy_item_tcp_v1, @@ -116,6 +131,7 @@ static const struct enic_items enic_items_v1[] = { RTE_FLOW_ITEM_TYPE_IPV4, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, }; @@ -131,6 +147,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_UDP, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_ETH] = { .copy_item = enic_copy_item_eth_v2, @@ -139,6 +156,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_VXLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_eth_v2, }, [RTE_FLOW_ITEM_TYPE_VLAN] = { .copy_item = enic_copy_item_vlan_v2, @@ -147,6 +165,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_ETH, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_vlan_v2, }, [RTE_FLOW_ITEM_TYPE_IPV4] = { .copy_item = enic_copy_item_ipv4_v2, @@ -156,6 +175,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_VLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_ipv4_v2, }, [RTE_FLOW_ITEM_TYPE_IPV6] = { .copy_item = enic_copy_item_ipv6_v2, @@ -165,6 +185,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_VLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_ipv6_v2, }, [RTE_FLOW_ITEM_TYPE_UDP] = { .copy_item = enic_copy_item_udp_v2, @@ -174,6 +195,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_udp_v2, }, [RTE_FLOW_ITEM_TYPE_TCP] = { .copy_item = enic_copy_item_tcp_v2, @@ -183,6 +205,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_tcp_v2, }, [RTE_FLOW_ITEM_TYPE_SCTP] = { .copy_item = enic_copy_item_sctp_v2, @@ -192,6 +215,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_VXLAN] = { .copy_item = enic_copy_item_vxlan_v2, @@ -200,6 +224,7 @@ static const struct enic_items enic_items_v2[] = { RTE_FLOW_ITEM_TYPE_UDP, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, }; @@ -212,6 +237,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_UDP, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_ETH] = { .copy_item = enic_copy_item_eth_v2, @@ -220,6 +246,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_VXLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_eth_v2, }, [RTE_FLOW_ITEM_TYPE_VLAN] = { .copy_item = enic_copy_item_vlan_v2, @@ -228,6 +255,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_ETH, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_vlan_v2, }, [RTE_FLOW_ITEM_TYPE_IPV4] = { .copy_item = enic_copy_item_ipv4_v2, @@ -237,6 +265,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_VLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_ipv4_v2, }, [RTE_FLOW_ITEM_TYPE_IPV6] = { .copy_item = enic_copy_item_ipv6_v2, @@ -246,6 +275,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_VLAN, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_ipv6_v2, }, [RTE_FLOW_ITEM_TYPE_UDP] = { .copy_item = enic_copy_item_udp_v2, @@ -255,6 +285,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_udp_v2, }, [RTE_FLOW_ITEM_TYPE_TCP] = { .copy_item = enic_copy_item_tcp_v2, @@ -264,6 +295,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = enic_copy_item_inner_tcp_v2, }, [RTE_FLOW_ITEM_TYPE_SCTP] = { .copy_item = enic_copy_item_sctp_v2, @@ -273,6 +305,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_IPV6, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, [RTE_FLOW_ITEM_TYPE_VXLAN] = { .copy_item = enic_copy_item_vxlan_v2, @@ -281,6 +314,7 @@ static const struct enic_items enic_items_v3[] = { RTE_FLOW_ITEM_TYPE_UDP, RTE_FLOW_ITEM_TYPE_END, }, + .inner_copy_item = NULL, }, }; @@ -374,7 +408,6 @@ enic_copy_item_ipv4_v1(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_ipv4 *spec = item->spec; const struct rte_flow_item_ipv4 *mask = item->mask; struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4; @@ -385,9 +418,6 @@ enic_copy_item_ipv4_v1(struct copy_item_args *arg) FLOW_TRACE(); - if (*inner_ofst) - return ENOTSUP; - if (!mask) mask = &rte_flow_item_ipv4_mask; @@ -416,7 +446,6 @@ enic_copy_item_udp_v1(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_udp *spec = item->spec; const struct rte_flow_item_udp *mask = item->mask; struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4; @@ -427,9 +456,6 @@ enic_copy_item_udp_v1(struct copy_item_args *arg) FLOW_TRACE(); - if (*inner_ofst) - return ENOTSUP; - if (!mask) mask = &rte_flow_item_udp_mask; @@ -459,7 +485,6 @@ enic_copy_item_tcp_v1(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_tcp *spec = item->spec; const struct rte_flow_item_tcp *mask = item->mask; struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4; @@ -470,9 +495,6 @@ enic_copy_item_tcp_v1(struct copy_item_args *arg) FLOW_TRACE(); - if (*inner_ofst) - return ENOTSUP; - if (!mask) mask = &rte_flow_item_tcp_mask; @@ -497,14 +519,152 @@ enic_copy_item_tcp_v1(struct copy_item_args *arg) return 0; } +/* + * The common 'copy' function for all inner packet patterns. Patterns are + * first appended to the L5 pattern buffer. Then, since the NIC filter + * API has no special support for inner packet matching at the moment, + * we set EtherType and IP proto as necessary. + */ +static int +copy_inner_common(struct filter_generic_1 *gp, uint8_t *inner_ofst, + const void *val, const void *mask, uint8_t val_size, + uint8_t proto_off, uint16_t proto_val, uint8_t proto_size) +{ + uint8_t *l5_mask, *l5_val; + uint8_t start_off; + + /* No space left in the L5 pattern buffer. */ + start_off = *inner_ofst; + if ((start_off + val_size) > FILTER_GENERIC_1_KEY_LEN) + return ENOTSUP; + l5_mask = gp->layer[FILTER_GENERIC_1_L5].mask; + l5_val = gp->layer[FILTER_GENERIC_1_L5].val; + /* Copy the pattern into the L5 buffer. */ + if (val) { + memcpy(l5_mask + start_off, mask, val_size); + memcpy(l5_val + start_off, val, val_size); + } + /* Set the protocol field in the previous header. */ + if (proto_off) { + void *m, *v; + + m = l5_mask + proto_off; + v = l5_val + proto_off; + if (proto_size == 1) { + *(uint8_t *)m = 0xff; + *(uint8_t *)v = (uint8_t)proto_val; + } else if (proto_size == 2) { + *(uint16_t *)m = 0xffff; + *(uint16_t *)v = proto_val; + } + } + /* All inner headers land in L5 buffer even if their spec is null. */ + *inner_ofst += val_size; + return 0; +} + +static int +enic_copy_item_inner_eth_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_eth_mask; + arg->l2_proto_off = *off + offsetof(struct rte_ether_hdr, ether_type); + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct rte_ether_hdr), + 0 /* no previous protocol */, 0, 0); +} + +static int +enic_copy_item_inner_vlan_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + uint8_t eth_type_off; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_vlan_mask; + /* Append vlan header to L5 and set ether type = TPID */ + eth_type_off = arg->l2_proto_off; + arg->l2_proto_off = *off + offsetof(struct rte_vlan_hdr, eth_proto); + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct rte_vlan_hdr), + eth_type_off, rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN), 2); +} + +static int +enic_copy_item_inner_ipv4_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_ipv4_mask; + /* Append ipv4 header to L5 and set ether type = ipv4 */ + arg->l3_proto_off = *off + offsetof(struct ipv4_hdr, next_proto_id); + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct ipv4_hdr), + arg->l2_proto_off, rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4), 2); +} + +static int +enic_copy_item_inner_ipv6_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_ipv6_mask; + /* Append ipv6 header to L5 and set ether type = ipv6 */ + arg->l3_proto_off = *off + offsetof(struct ipv6_hdr, proto); + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct ipv6_hdr), + arg->l2_proto_off, rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv6), 2); +} + +static int +enic_copy_item_inner_udp_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_udp_mask; + /* Append udp header to L5 and set ip proto = udp */ + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct udp_hdr), + arg->l3_proto_off, IPPROTO_UDP, 1); +} + +static int +enic_copy_item_inner_tcp_v2(struct copy_item_args *arg) +{ + const void *mask = arg->item->mask; + uint8_t *off = arg->inner_ofst; + + FLOW_TRACE(); + if (!mask) + mask = &rte_flow_item_tcp_mask; + /* Append tcp header to L5 and set ip proto = tcp */ + return copy_inner_common(&arg->filter->u.generic_1, off, + arg->item->spec, mask, sizeof(struct tcp_hdr), + arg->l3_proto_off, IPPROTO_TCP, 1); +} + static int enic_copy_item_eth_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; - struct ether_hdr enic_spec; - struct ether_hdr enic_mask; + struct rte_ether_hdr enic_spec; + struct rte_ether_hdr enic_mask; const struct rte_flow_item_eth *spec = item->spec; const struct rte_flow_item_eth *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; @@ -519,35 +679,22 @@ enic_copy_item_eth_v2(struct copy_item_args *arg) mask = &rte_flow_item_eth_mask; memcpy(enic_spec.d_addr.addr_bytes, spec->dst.addr_bytes, - ETHER_ADDR_LEN); + RTE_ETHER_ADDR_LEN); memcpy(enic_spec.s_addr.addr_bytes, spec->src.addr_bytes, - ETHER_ADDR_LEN); + RTE_ETHER_ADDR_LEN); memcpy(enic_mask.d_addr.addr_bytes, mask->dst.addr_bytes, - ETHER_ADDR_LEN); + RTE_ETHER_ADDR_LEN); memcpy(enic_mask.s_addr.addr_bytes, mask->src.addr_bytes, - ETHER_ADDR_LEN); + RTE_ETHER_ADDR_LEN); enic_spec.ether_type = spec->type; enic_mask.ether_type = mask->type; - if (*inner_ofst == 0) { - /* outer header */ - memcpy(gp->layer[FILTER_GENERIC_1_L2].mask, &enic_mask, - sizeof(struct ether_hdr)); - memcpy(gp->layer[FILTER_GENERIC_1_L2].val, &enic_spec, - sizeof(struct ether_hdr)); - } else { - /* inner header */ - if ((*inner_ofst + sizeof(struct ether_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - /* Offset into L5 where inner Ethernet header goes */ - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - &enic_mask, sizeof(struct ether_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - &enic_spec, sizeof(struct ether_hdr)); - *inner_ofst += sizeof(struct ether_hdr); - } + /* outer header */ + memcpy(gp->layer[FILTER_GENERIC_1_L2].mask, &enic_mask, + sizeof(struct rte_ether_hdr)); + memcpy(gp->layer[FILTER_GENERIC_1_L2].val, &enic_spec, + sizeof(struct rte_ether_hdr)); return 0; } @@ -556,10 +703,11 @@ enic_copy_item_vlan_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_vlan *spec = item->spec; const struct rte_flow_item_vlan *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; + struct rte_ether_hdr *eth_mask; + struct rte_ether_hdr *eth_val; FLOW_TRACE(); @@ -570,36 +718,35 @@ enic_copy_item_vlan_v2(struct copy_item_args *arg) if (!mask) mask = &rte_flow_item_vlan_mask; - if (*inner_ofst == 0) { - struct ether_hdr *eth_mask = - (void *)gp->layer[FILTER_GENERIC_1_L2].mask; - struct ether_hdr *eth_val = - (void *)gp->layer[FILTER_GENERIC_1_L2].val; - - /* Outer TPID cannot be matched */ - if (eth_mask->ether_type) - return ENOTSUP; - /* - * When packet matching, the VIC always compares vlan-stripped - * L2, regardless of vlan stripping settings. So, the inner type - * from vlan becomes the ether type of the eth header. - */ + eth_mask = (void *)gp->layer[FILTER_GENERIC_1_L2].mask; + eth_val = (void *)gp->layer[FILTER_GENERIC_1_L2].val; + /* Outer TPID cannot be matched */ + if (eth_mask->ether_type) + return ENOTSUP; + /* + * For recent models: + * When packet matching, the VIC always compares vlan-stripped + * L2, regardless of vlan stripping settings. So, the inner type + * from vlan becomes the ether type of the eth header. + * + * Older models w/o hardware vxlan parser have a different + * behavior when vlan stripping is disabled. In this case, + * vlan tag remains in the L2 buffer. + */ + if (!arg->enic->vxlan && !arg->enic->ig_vlan_strip_en) { + struct rte_vlan_hdr *vlan; + + vlan = (struct rte_vlan_hdr *)(eth_mask + 1); + vlan->eth_proto = mask->inner_type; + vlan = (struct rte_vlan_hdr *)(eth_val + 1); + vlan->eth_proto = spec->inner_type; + } else { eth_mask->ether_type = mask->inner_type; eth_val->ether_type = spec->inner_type; - /* For TCI, use the vlan mask/val fields (little endian). */ - gp->mask_vlan = rte_be_to_cpu_16(mask->tci); - gp->val_vlan = rte_be_to_cpu_16(spec->tci); - } else { - /* Inner header. Mask/Val start at *inner_ofst into L5 */ - if ((*inner_ofst + sizeof(struct vlan_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - mask, sizeof(struct vlan_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - spec, sizeof(struct vlan_hdr)); - *inner_ofst += sizeof(struct vlan_hdr); } + /* For TCI, use the vlan mask/val fields (little endian). */ + gp->mask_vlan = rte_be_to_cpu_16(mask->tci); + gp->val_vlan = rte_be_to_cpu_16(spec->tci); return 0; } @@ -608,40 +755,27 @@ enic_copy_item_ipv4_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_ipv4 *spec = item->spec; const struct rte_flow_item_ipv4 *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; FLOW_TRACE(); - if (*inner_ofst == 0) { - /* Match IPv4 */ - gp->mask_flags |= FILTER_GENERIC_1_IPV4; - gp->val_flags |= FILTER_GENERIC_1_IPV4; + /* Match IPv4 */ + gp->mask_flags |= FILTER_GENERIC_1_IPV4; + gp->val_flags |= FILTER_GENERIC_1_IPV4; - /* Match all if no spec */ - if (!spec) - return 0; + /* Match all if no spec */ + if (!spec) + return 0; - if (!mask) - mask = &rte_flow_item_ipv4_mask; + if (!mask) + mask = &rte_flow_item_ipv4_mask; - memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr, - sizeof(struct ipv4_hdr)); - memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr, - sizeof(struct ipv4_hdr)); - } else { - /* Inner IPv4 header. Mask/Val start at *inner_ofst into L5 */ - if ((*inner_ofst + sizeof(struct ipv4_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - mask, sizeof(struct ipv4_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - spec, sizeof(struct ipv4_hdr)); - *inner_ofst += sizeof(struct ipv4_hdr); - } + memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr, + sizeof(struct ipv4_hdr)); + memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr, + sizeof(struct ipv4_hdr)); return 0; } @@ -650,7 +784,6 @@ enic_copy_item_ipv6_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_ipv6 *spec = item->spec; const struct rte_flow_item_ipv6 *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; @@ -668,22 +801,10 @@ enic_copy_item_ipv6_v2(struct copy_item_args *arg) if (!mask) mask = &rte_flow_item_ipv6_mask; - if (*inner_ofst == 0) { - memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr, - sizeof(struct ipv6_hdr)); - memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr, - sizeof(struct ipv6_hdr)); - } else { - /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */ - if ((*inner_ofst + sizeof(struct ipv6_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - mask, sizeof(struct ipv6_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - spec, sizeof(struct ipv6_hdr)); - *inner_ofst += sizeof(struct ipv6_hdr); - } + memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr, + sizeof(struct ipv6_hdr)); + memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr, + sizeof(struct ipv6_hdr)); return 0; } @@ -692,7 +813,6 @@ enic_copy_item_udp_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_udp *spec = item->spec; const struct rte_flow_item_udp *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; @@ -710,22 +830,10 @@ enic_copy_item_udp_v2(struct copy_item_args *arg) if (!mask) mask = &rte_flow_item_udp_mask; - if (*inner_ofst == 0) { - memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr, - sizeof(struct udp_hdr)); - memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr, - sizeof(struct udp_hdr)); - } else { - /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */ - if ((*inner_ofst + sizeof(struct udp_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - mask, sizeof(struct udp_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - spec, sizeof(struct udp_hdr)); - *inner_ofst += sizeof(struct udp_hdr); - } + memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr, + sizeof(struct udp_hdr)); + memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr, + sizeof(struct udp_hdr)); return 0; } @@ -734,7 +842,6 @@ enic_copy_item_tcp_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_tcp *spec = item->spec; const struct rte_flow_item_tcp *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; @@ -752,22 +859,10 @@ enic_copy_item_tcp_v2(struct copy_item_args *arg) if (!mask) return ENOTSUP; - if (*inner_ofst == 0) { - memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr, - sizeof(struct tcp_hdr)); - memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr, - sizeof(struct tcp_hdr)); - } else { - /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */ - if ((*inner_ofst + sizeof(struct tcp_hdr)) > - FILTER_GENERIC_1_KEY_LEN) - return ENOTSUP; - memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst], - mask, sizeof(struct tcp_hdr)); - memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst], - spec, sizeof(struct tcp_hdr)); - *inner_ofst += sizeof(struct tcp_hdr); - } + memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr, + sizeof(struct tcp_hdr)); + memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr, + sizeof(struct tcp_hdr)); return 0; } @@ -776,7 +871,6 @@ enic_copy_item_sctp_v2(struct copy_item_args *arg) { const struct rte_flow_item *item = arg->item; struct filter_v2 *enic_filter = arg->filter; - uint8_t *inner_ofst = arg->inner_ofst; const struct rte_flow_item_sctp *spec = item->spec; const struct rte_flow_item_sctp *mask = item->mask; struct filter_generic_1 *gp = &enic_filter->u.generic_1; @@ -785,9 +879,6 @@ enic_copy_item_sctp_v2(struct copy_item_args *arg) FLOW_TRACE(); - if (*inner_ofst) - return ENOTSUP; - /* * The NIC filter API has no flags for "match sctp", so explicitly set * the protocol number in the IP pattern. @@ -838,9 +929,6 @@ enic_copy_item_vxlan_v2(struct copy_item_args *arg) FLOW_TRACE(); - if (*inner_ofst) - return EINVAL; - /* * The NIC filter API has no flags for "match vxlan". Set UDP port to * avoid false positives. @@ -859,11 +947,11 @@ enic_copy_item_vxlan_v2(struct copy_item_args *arg) mask = &rte_flow_item_vxlan_mask; memcpy(gp->layer[FILTER_GENERIC_1_L5].mask, mask, - sizeof(struct vxlan_hdr)); + sizeof(struct rte_vxlan_hdr)); memcpy(gp->layer[FILTER_GENERIC_1_L5].val, spec, - sizeof(struct vxlan_hdr)); + sizeof(struct rte_vxlan_hdr)); - *inner_ofst = sizeof(struct vxlan_hdr); + *inner_ofst = sizeof(struct rte_vxlan_hdr); return 0; } @@ -894,7 +982,8 @@ enic_copy_item_raw_v2(struct copy_item_args *arg) if (!spec->relative || spec->offset != 0 || spec->search || spec->limit) return EINVAL; /* Need non-null pattern that fits within the NIC's filter pattern */ - if (spec->length == 0 || spec->length > FILTER_GENERIC_1_KEY_LEN || + if (spec->length == 0 || + spec->length + sizeof(struct udp_hdr) > FILTER_GENERIC_1_KEY_LEN || !spec->pattern || !mask->pattern) return EINVAL; /* @@ -962,7 +1051,7 @@ fixup_l5_layer(struct enic *enic, struct filter_generic_1 *gp, if (!(inner_ofst > 0 && enic->vxlan)) return; FLOW_TRACE(); - vxlan = sizeof(struct vxlan_hdr); + vxlan = sizeof(struct rte_vxlan_hdr); memcpy(gp->layer[FILTER_GENERIC_1_L4].mask + sizeof(struct udp_hdr), gp->layer[FILTER_GENERIC_1_L5].mask, vxlan); memcpy(gp->layer[FILTER_GENERIC_1_L4].val + sizeof(struct udp_hdr), @@ -1000,6 +1089,7 @@ enic_copy_filter(const struct rte_flow_item pattern[], enum rte_flow_item_type prev_item; const struct enic_items *item_info; struct copy_item_args args; + enic_copy_item_fn *copy_fn; u8 is_first_item = 1; FLOW_TRACE(); @@ -1008,6 +1098,7 @@ enic_copy_filter(const struct rte_flow_item pattern[], args.filter = enic_filter; args.inner_ofst = &inner_ofst; + args.enic = enic; for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) { /* Get info about how to validate and copy the item. If NULL * is returned the nic does not support the item. @@ -1017,7 +1108,8 @@ enic_copy_filter(const struct rte_flow_item pattern[], item_info = &cap->item_info[item->type]; if (item->type > cap->max_item_type || - item_info->copy_item == NULL) { + item_info->copy_item == NULL || + (inner_ofst > 0 && item_info->inner_copy_item == NULL)) { rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "Unsupported item."); @@ -1029,7 +1121,9 @@ enic_copy_filter(const struct rte_flow_item pattern[], goto stacking_error; args.item = item; - ret = item_info->copy_item(&args); + copy_fn = inner_ofst > 0 ? item_info->inner_copy_item : + item_info->copy_item; + ret = copy_fn(&args); if (ret) goto item_not_supported; prev_item = item->type;