Hi, Jeff
Best Regards,
Xu Ting
> -----Original Message-----
> From: Guo, Jia <jia....@intel.com>
> Sent: Sunday, April 11, 2021 2:02 PM
> To: or...@nvidia.com; Zhang, Qi Z <qi.z.zh...@intel.com>; Xing, Beilei
> <beilei.x...@intel.com>; Li, Xiaoyun <xiaoyun...@intel.com>; Wu, Jingjing
> <jingjing...@intel.com>
> Cc: dev@dpdk.org; Xu, Ting <ting...@intel.com>; Guo, Jia <jia....@intel.com>
> Subject: [PATCH v3 4/4] net/iavf: support FDIR for IP fragment packet
>
> New FDIR parsing are added to handle the fragmented IPv4/IPv6 packet.
>
> Signed-off-by: Ting Xu <ting...@intel.com>
> Signed-off-by: Jeff Guo <jia....@intel.com>
> ---
> drivers/net/iavf/iavf_fdir.c | 376 ++++++++++++++++++---------
> drivers/net/iavf/iavf_generic_flow.h | 5 +
> 2 files changed, 257 insertions(+), 124 deletions(-)
>
> diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c index
> 62f032985a..64c169f8c4 100644
> --- a/drivers/net/iavf/iavf_fdir.c
> +++ b/drivers/net/iavf/iavf_fdir.c
> @@ -34,7 +34,7 @@
> #define IAVF_FDIR_INSET_ETH_IPV4 (\
> IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
> IAVF_INSET_IPV4_PROTO | IAVF_INSET_IPV4_TOS | \
> - IAVF_INSET_IPV4_TTL)
> + IAVF_INSET_IPV4_TTL | IAVF_INSET_IPV4_ID)
>
Skip...
> + if (ipv4_mask->hdr.version_ihl ||
> + ipv4_mask->hdr.total_length ||
> + ipv4_mask->hdr.hdr_checksum) {
> + rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ITEM,
> + item, "Invalid IPv4 mask.");
> + return -rte_errno;
> + }
>
> - if (tun_inner) {
> - input_set &=
> ~IAVF_PROT_IPV4_OUTER;
> - input_set |= IAVF_PROT_IPV4_INNER;
> - }
This part "tun_inner" is newly added and needed for GTPU inner, cannot be
deleted.
> + if (ipv4_last &&
> + (ipv4_last->hdr.version_ihl ||
> + ipv4_last->hdr.type_of_service ||
> + ipv4_last->hdr.time_to_live ||
> + ipv4_last->hdr.total_length |
> + ipv4_last->hdr.next_proto_id ||
> + ipv4_last->hdr.hdr_checksum ||
> + ipv4_last->hdr.src_addr ||
> + ipv4_last->hdr.dst_addr)) {
> + rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ITEM,
> + item, "Invalid IPv4 last.");
> + return -rte_errno;
> + }
>
> - rte_memcpy(hdr->buffer,
> - &ipv4_spec->hdr,
> - sizeof(ipv4_spec->hdr));
> + if (ipv4_mask->hdr.type_of_service ==
> + UINT8_MAX) {
> + input_set |= IAVF_INSET_IPV4_TOS;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV4,
> + DSCP);
> + }
> +
> + if (ipv4_mask->hdr.next_proto_id == UINT8_MAX) {
> + input_set |= IAVF_INSET_IPV4_PROTO;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV4,
> + PROT);
> + }
> +
> + if (ipv4_mask->hdr.time_to_live == UINT8_MAX) {
> + input_set |= IAVF_INSET_IPV4_TTL;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV4,
> + TTL);
> + }
> +
> + if (ipv4_mask->hdr.src_addr == UINT32_MAX) {
> + input_set |= IAVF_INSET_IPV4_SRC;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV4,
> + SRC);
> + }
> +
> + if (ipv4_mask->hdr.dst_addr == UINT32_MAX) {
> + input_set |= IAVF_INSET_IPV4_DST;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV4,
> + DST);
> + }
> +
> + rte_memcpy(hdr->buffer, &ipv4_spec->hdr,
> + sizeof(ipv4_spec->hdr));
> +
> + hdrs->count = ++layer;
> +
> + /* only support any packet id for fragment IPv4
> + * any packet_id:
> + * spec is 0, last is 0xffff, mask is 0xffff
> + */
> + if (ipv4_last && ipv4_spec->hdr.packet_id == 0 &&
> + ipv4_last->hdr.packet_id == UINT16_MAX &&
> + ipv4_mask->hdr.packet_id == UINT16_MAX &&
> + ipv4_mask->hdr.fragment_offset == UINT16_MAX) {
> + /* all IPv4 fragment packet has the same
> + * ethertype, if the spec is for all valid
> + * packet id, set ethertype into input set.
> + */
> + input_set |= IAVF_INSET_ETHERTYPE;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr1,
> ETH,
> + ETHERTYPE);
> +
> + /* add dummy header for IPv4 Fragment */
> + iavf_fdir_add_fragment_hdr(hdrs, layer);
> + } else if (ipv4_mask->hdr.packet_id == UINT16_MAX) {
> + rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ITEM,
> + item, "Invalid IPv4 mask.");
> + return -rte_errno;
> }
>
> - filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
> break;
>
> case RTE_FLOW_ITEM_TYPE_IPV6:
> @@ -707,63 +787,109 @@ iavf_fdir_parse_pattern(__rte_unused struct
> iavf_adapter *ad,
> ipv6_spec = item->spec;
> ipv6_mask = item->mask;
>
> - hdr = &filter-
> >add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
> + hdr = &hdrs->proto_hdr[layer];
>
> VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV6);
>
> - if (ipv6_spec && ipv6_mask) {
> - if (ipv6_mask->hdr.payload_len) {
> - rte_flow_error_set(error, EINVAL,
> -
> RTE_FLOW_ERROR_TYPE_ITEM,
> - item, "Invalid IPv6 mask");
> - return -rte_errno;
> - }
> + if (!(ipv6_spec && ipv6_mask)) {
> + hdrs->count = ++layer;
> + break;
> + }
>
> - if ((ipv6_mask->hdr.vtc_flow &
> -
> rte_cpu_to_be_32(IAVF_IPV6_TC_MASK))
> - ==
> rte_cpu_to_be_32(IAVF_IPV6_TC_MASK)) {
> - input_set |= IAVF_INSET_IPV6_TC;
> -
> VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, TC);
> - }
> - if (ipv6_mask->hdr.proto == UINT8_MAX) {
> - input_set |=
> IAVF_INSET_IPV6_NEXT_HDR;
> -
> VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, PROT);
> - }
> - if (ipv6_mask->hdr.hop_limits == UINT8_MAX)
> {
> - input_set |=
> IAVF_INSET_IPV6_HOP_LIMIT;
> -
> VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, HOP_LIMIT);
> - }
> - if (!memcmp(ipv6_mask->hdr.src_addr,
> - ipv6_addr_mask,
> - RTE_DIM(ipv6_mask->hdr.src_addr))) {
> - input_set |= IAVF_INSET_IPV6_SRC;
> -
> VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, SRC);
> - }
> - if (!memcmp(ipv6_mask->hdr.dst_addr,
> - ipv6_addr_mask,
> - RTE_DIM(ipv6_mask->hdr.dst_addr)))
> {
> - input_set |= IAVF_INSET_IPV6_DST;
> -
> VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, DST);
> - }
> + if (ipv6_mask->hdr.payload_len) {
> + rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ITEM,
> + item, "Invalid IPv6 mask");
> + return -rte_errno;
> + }
>
> - if (tun_inner) {
> - input_set &=
> ~IAVF_PROT_IPV6_OUTER;
> - input_set |= IAVF_PROT_IPV6_INNER;
> - }
The same as ipv4.
> + if ((ipv6_mask->hdr.vtc_flow &
> + rte_cpu_to_be_32(IAVF_IPV6_TC_MASK))
> + == rte_cpu_to_be_32(IAVF_IPV6_TC_MASK)) {
> + input_set |= IAVF_INSET_IPV6_TC;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV6,
> + TC);
> + }
>
> - rte_memcpy(hdr->buffer,
> - &ipv6_spec->hdr,
> - sizeof(ipv6_spec->hdr));
> + if (ipv6_mask->hdr.proto == UINT8_MAX) {
> + input_set |= IAVF_INSET_IPV6_NEXT_HDR;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV6,
> + PROT);
> + }
> +
> + if (ipv6_mask->hdr.hop_limits == UINT8_MAX) {
> + input_set |= IAVF_INSET_IPV6_HOP_LIMIT;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV6,
> + HOP_LIMIT);
> + }
> +
> + if (!memcmp(ipv6_mask->hdr.src_addr,
> ipv6_addr_mask,
> + RTE_DIM(ipv6_mask->hdr.src_addr))) {
> + input_set |= IAVF_INSET_IPV6_SRC;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV6,
> + SRC);
> + }
> + if (!memcmp(ipv6_mask->hdr.dst_addr,
> ipv6_addr_mask,
> + RTE_DIM(ipv6_mask->hdr.dst_addr))) {
> + input_set |= IAVF_INSET_IPV6_DST;
> + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr,
> IPV6,
> + DST);
> + }
> +
> + rte_memcpy(hdr->buffer, &ipv6_spec->hdr,
> + sizeof(ipv6_spec->hdr));
> +
> + hdrs->count = ++layer;
> + break;
> +
Skip...
> @@ -84,6 +85,8 @@
> (IAVF_PROT_IPV4_OUTER | IAVF_IP_PROTO) #define
> IAVF_INSET_IPV4_TTL \
> (IAVF_PROT_IPV4_OUTER | IAVF_IP_TTL)
> +#define IAVF_INSET_IPV4_ID \
> + (IAVF_PROT_IPV4_OUTER | IAVF_IP_PKID)
> #define IAVF_INSET_IPV6_SRC \
> (IAVF_PROT_IPV6_OUTER | IAVF_IP_SRC)
> #define IAVF_INSET_IPV6_DST \
> @@ -94,6 +97,8 @@
> (IAVF_PROT_IPV6_OUTER | IAVF_IP_TTL)
> #define IAVF_INSET_IPV6_TC \
> (IAVF_PROT_IPV6_OUTER | IAVF_IP_TOS)
> +#define IAVF_INSET_IPV6_ID \
> + (IAVF_PROT_IPV6_OUTER | IAVF_IP_PKID)
>
> #define IAVF_INSET_TUN_IPV4_SRC \
> (IAVF_PROT_IPV4_INNER | IAVF_IP_SRC)
> --
> 2.20.1
