[dpdk-dev] [PATCH v3 2/2] net/i40e: improve packet type parser
Zhang, Qi Z
qi.z.zhang at intel.com
Thu Jan 4 12:54:30 CET 2018
> -----Original Message-----
> From: Xing, Beilei
> Sent: Thursday, January 4, 2018 6:46 PM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>
> Cc: dev at dpdk.org; Wu, Jingjing <jingjing.wu at intel.com>; Chilikin, Andrey
> <andrey.chilikin at intel.com>
> Subject: [PATCH v3 2/2] net/i40e: improve packet type parser
>
> Add support for PPPoE and L2TP packet types parser.
> Change parser as new metadata 'OIPV4' and 'OIPV6'
> added in profile to distinguish outer IP and inner IP.
>
> Signed-off-by: Beilei Xing <beilei.xing at intel.com>
> ---
> drivers/net/i40e/i40e_ethdev.c | 83
> ++++++++++++++++++++++++++++++------------
> 1 file changed, 60 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> index 811cc9f..c6f7ce7 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -11078,7 +11078,7 @@ i40e_update_customized_ptype(struct
> rte_eth_dev *dev, uint8_t *pkg,
> uint8_t proto_id;
> char name[RTE_PMD_I40E_DDP_NAME_SIZE];
> uint32_t i, j, n;
> - bool inner_ip;
> + bool in_tunnel;
> int ret;
>
> /* get information about new ptype num */ @@ -11123,7 +11123,7 @@
> i40e_update_customized_ptype(struct rte_eth_dev *dev, uint8_t *pkg,
> for (i = 0; i < ptype_num; i++) {
> ptype_mapping[i].hw_ptype = ptype[i].ptype_id;
> ptype_mapping[i].sw_ptype = 0;
> - inner_ip = false;
> + in_tunnel = false;
> for (j = 0; j < RTE_PMD_I40E_PROTO_NUM; j++) {
> proto_id = ptype[i].protocols[j];
> if (proto_id == RTE_PMD_I40E_PROTO_UNUSED) @@ -11133,54
> +11133,91 @@ i40e_update_customized_ptype(struct rte_eth_dev *dev,
> uint8_t *pkg,
> continue;
> memset(name, 0, sizeof(name));
> strcpy(name, proto[n].name);
> - if (!strncmp(name, "IPV4", 4) && !inner_ip) {
> + if (!strncmp(name, "PPPOE", 5))
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L2_ETHER_PPPOE;
> + else if (!strncmp(name, "OIPV4", 5)) {
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
> - inner_ip = true;
> - } else if (!strncmp(name, "IPV4FRAG", 8) &&
> - inner_ip) {
> + in_tunnel = true;
> + } else if (!strncmp(name, "IPV4", 4) &&
> + !in_tunnel)
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
> + else if (!strncmp(name, "IPV4FRAG", 8) &&
> + in_tunnel) {
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_FRAG;
> } else if (!strncmp(name, "IPV4", 4) &&
> - inner_ip)
> + in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
> - else if (!strncmp(name, "IPV6", 4) &&
> - !inner_ip) {
> + else if (!strncmp(name, "OIPV6", 5)) {
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
> + in_tunnel = true;
> + } else if (!strncmp(name, "IPV6", 4) &&
> + !in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
> - inner_ip = true;
> - } else if (!strncmp(name, "IPV6FRAG", 8) &&
> - inner_ip) {
> + else if (!strncmp(name, "IPV6FRAG", 8) &&
> + in_tunnel) {
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_FRAG;
> } else if (!strncmp(name, "IPV6", 4) &&
> - inner_ip)
> + in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
> - else if (!strncmp(name, "GTPC", 4))
> + else if (!strncmp(name, "UDP", 3) && !in_tunnel)
> ptype_mapping[i].sw_ptype |=
> - RTE_PTYPE_TUNNEL_GTPC;
> - else if (!strncmp(name, "GTPU", 4))
> - ptype_mapping[i].sw_ptype |=
> - RTE_PTYPE_TUNNEL_GTPU;
> - else if (!strncmp(name, "UDP", 3))
> + RTE_PTYPE_L4_UDP;
> + else if (!strncmp(name, "UDP", 3) && in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_UDP;
> - else if (!strncmp(name, "TCP", 3))
> + else if (!strncmp(name, "TCP", 3) && !in_tunnel)
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L4_TCP;
> + else if (!strncmp(name, "TCP", 3) && in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_TCP;
> - else if (!strncmp(name, "SCTP", 4))
> + else if (!strncmp(name, "SCTP", 4) &&
> + !in_tunnel)
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L4_SCTP;
> + else if (!strncmp(name, "SCTP", 4) && in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_SCTP;
> - else if (!strncmp(name, "ICMP", 4) ||
> - !strncmp(name, "ICMPV6", 6))
> + else if ((!strncmp(name, "ICMP", 4) ||
> + !strncmp(name, "ICMPV6", 6)) &&
> + !in_tunnel)
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_L4_ICMP;
> + else if ((!strncmp(name, "ICMP", 4) ||
> + !strncmp(name, "ICMPV6", 6)) &&
> + in_tunnel)
> ptype_mapping[i].sw_ptype |=
> RTE_PTYPE_INNER_L4_ICMP;
> + else if (!strncmp(name, "GTPC", 4)) {
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_TUNNEL_GTPC;
> + in_tunnel = true;
> + } else if (!strncmp(name, "GTPU", 4)) {
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_TUNNEL_GTPU;
> + in_tunnel = true;
> + } else if (!strncmp(name, "GRENAT", 6)) {
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_TUNNEL_GRENAT;
> + in_tunnel = true;
> + } else if (!strncmp(name, "L2TPv2CTL", 9)) {
> + ptype_mapping[i].sw_ptype |=
> + RTE_PTYPE_TUNNEL_L2TP;
> + in_tunnel = true;
> + }
>
> break;
> }
> --
> 2.5.5
Acked-by: Qi Zhang <qi.z.zhang at intel.com>
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