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From: Serhii Iliushyk <sil-plv@napatech.com>
To: dev@dpdk.org
Cc: mko-plv@napatech.com, sil-plv@napatech.com, ckm@napatech.com,
andrew.rybchenko@oktetlabs.ru, ferruh.yigit@amd.com
Subject: [PATCH v3 15/73] net/ntnic: add item IPv4
Date: Wed, 23 Oct 2024 18:59:23 +0200
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Add possibility to use RTE_FLOW_ITEM_TYPE_IPV4
Signed-off-by: Serhii Iliushyk <sil-plv@napatech.com>
---
doc/guides/nics/features/ntnic.ini | 1 +
.../profile_inline/flow_api_profile_inline.c | 162 ++++++++++++++++++
2 files changed, 163 insertions(+)
diff --git a/doc/guides/nics/features/ntnic.ini b/doc/guides/nics/features/ntnic.ini
index 36b8212bae..bae25d2e2d 100644
--- a/doc/guides/nics/features/ntnic.ini
+++ b/doc/guides/nics/features/ntnic.ini
@@ -16,6 +16,7 @@ x86-64 = Y
[rte_flow items]
any = Y
eth = Y
+ipv4 = Y
[rte_flow actions]
drop = Y
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
index 93f666a054..d5d853351e 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
@@ -664,7 +664,169 @@ static int interpret_flow_elements(const struct flow_eth_dev *dev,
break;
+
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ NT_LOG(DBG, FILTER, "Adap %i, Port %i: RTE_FLOW_ITEM_TYPE_IPV4",
dev->ndev->adapter_no, dev->port);
+ {
+ const struct rte_flow_item_ipv4 *ipv4_spec =
+ (const struct rte_flow_item_ipv4 *)elem[eidx].spec;
+ const struct rte_flow_item_ipv4 *ipv4_mask =
+ (const struct rte_flow_item_ipv4 *)elem[eidx].mask;
+
+ if (ipv4_spec == NULL || ipv4_mask == NULL) {
+ if (any_count > 0 || fd->l3_prot != -1)
+ fd->tunnel_l3_prot = PROT_TUN_L3_IPV4;
+ else
+ fd->l3_prot = PROT_L3_IPV4;
+ break;
+ }
+
+ if (ipv4_mask->hdr.version_ihl != 0 ||
+ ipv4_mask->hdr.type_of_service != 0 ||
+ ipv4_mask->hdr.total_length != 0 ||
+ ipv4_mask->hdr.packet_id != 0 ||
+ (ipv4_mask->hdr.fragment_offset != 0 &&
+ (ipv4_spec->hdr.fragment_offset != 0xffff ||
+ ipv4_mask->hdr.fragment_offset != 0xffff)) ||
+ ipv4_mask->hdr.time_to_live != 0 ||
+ ipv4_mask->hdr.hdr_checksum != 0) {
+ NT_LOG(ERR, FILTER,
+ "Requested IPv4 field not support by running SW version.");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+
+ if (ipv4_spec->hdr.fragment_offset == 0xffff &&
+ ipv4_mask->hdr.fragment_offset == 0xffff) {
+ fd->fragmentation = 0xfe;
+ }
+
+ int match_cnt = (ipv4_mask->hdr.src_addr != 0) +
+ (ipv4_mask->hdr.dst_addr != 0) +
+ (ipv4_mask->hdr.next_proto_id != 0);
+
+ if (match_cnt <= 0) {
+ if (any_count > 0 || fd->l3_prot != -1)
+ fd->tunnel_l3_prot = PROT_TUN_L3_IPV4;
+ else
+ fd->l3_prot = PROT_L3_IPV4;
+ break;
+ }
+
+ if (qw_free > 0 &&
+ (match_cnt >= 2 ||
+ (match_cnt == 1 && sw_counter >= 2))) {
+ if (qw_counter >= 2) {
+ NT_LOG(ERR, FILTER,
+ "Key size too big. Out of QW resources.");
+ flow_nic_set_error(ERR_FAILED,
+ error);
+ return -1;
+ }
+
+ uint32_t *qw_data = &packet_data[2 + 4 - qw_counter * 4];
+ uint32_t *qw_mask = &packet_mask[2 + 4 - qw_counter * 4];
+
+ qw_mask[0] = 0;
+ qw_data[0] = 0;
+
+ qw_mask[1] = ipv4_mask->hdr.next_proto_id << 16;
+ qw_data[1] = ipv4_spec->hdr.next_proto_id
+ << 16 & qw_mask[1];
+
+ qw_mask[2] = ntohl(ipv4_mask->hdr.src_addr);
+ qw_mask[3] = ntohl(ipv4_mask->hdr.dst_addr);
+
+ qw_data[2] = ntohl(ipv4_spec->hdr.src_addr) & qw_mask[2];
+ qw_data[3] = ntohl(ipv4_spec->hdr.dst_addr) & qw_mask[3];
+
+ km_add_match_elem(&fd->km, &qw_data[0], &qw_mask[0], 4,
+ any_count > 0 ? DYN_TUN_L3 : DYN_L3, 4);
+ set_key_def_qw(key_def, qw_counter, any_count > 0
+ ? DYN_TUN_L3 : DYN_L3, 4);
+ qw_counter += 1;
+ qw_free -= 1;
+
+ if (any_count > 0 || fd->l3_prot != -1)
+ fd->tunnel_l3_prot = PROT_TUN_L3_IPV4;
+ else
+ fd->l3_prot = PROT_L3_IPV4;
+ break;
+ }
+
+ if (ipv4_mask->hdr.src_addr) {
+ if (sw_counter >= 2) {
+ NT_LOG(ERR, FILTER,
+ "Key size too big. Out of SW resources.");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+
+ uint32_t *sw_data = &packet_data[1 - sw_counter];
+ uint32_t *sw_mask = &packet_mask[1 - sw_counter];
+
+ sw_mask[0] = ntohl(ipv4_mask->hdr.src_addr);
+ sw_data[0] = ntohl(ipv4_spec->hdr.src_addr) & sw_mask[0];
+
+ km_add_match_elem(&fd->km, &sw_data[0], &sw_mask[0], 1,
+ any_count > 0 ? DYN_TUN_L3 : DYN_L3, 12);
+ set_key_def_sw(key_def, sw_counter, any_count > 0
+ ? DYN_TUN_L3 : DYN_L3, 12);
+ sw_counter += 1;
+ }
+
+ if (ipv4_mask->hdr.dst_addr) {
+ if (sw_counter >= 2) {
+ NT_LOG(ERR, FILTER,
+ "Key size too big. Out of SW resources.");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+
+ uint32_t *sw_data = &packet_data[1 - sw_counter];
+ uint32_t *sw_mask = &packet_mask[1 - sw_counter];
+
+ sw_mask[0] = ntohl(ipv4_mask->hdr.dst_addr);
+ sw_data[0] = ntohl(ipv4_spec->hdr.dst_addr) & sw_mask[0];
+
+ km_add_match_elem(&fd->km, &sw_data[0], &sw_mask[0], 1,
+ any_count > 0 ? DYN_TUN_L3 : DYN_L3, 16);
+ set_key_def_sw(key_def, sw_counter, any_count > 0
+ ? DYN_TUN_L3 : DYN_L3, 16);
+ sw_counter += 1;
+ }
+
+ if (ipv4_mask->hdr.next_proto_id) {
+ if (sw_counter >= 2) {
+ NT_LOG(ERR, FILTER,
+ "Key size too big. Out of SW resources.");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+
+ uint32_t *sw_data = &packet_data[1 - sw_counter];
+ uint32_t *sw_mask = &packet_mask[1 - sw_counter];
+
+ sw_mask[0] = ipv4_mask->hdr.next_proto_id << 16;
+ sw_data[0] = ipv4_spec->hdr.next_proto_id
+ << 16 & sw_mask[0];
+
+ km_add_match_elem(&fd->km, &sw_data[0], &sw_mask[0], 1,
+ any_count > 0 ? DYN_TUN_L3 : DYN_L3, 8);
+ set_key_def_sw(key_def, sw_counter, any_count > 0
+ ? DYN_TUN_L3 : DYN_L3, 8);
+ sw_counter += 1;
+ }
+
+ if (any_count > 0 || fd->l3_prot != -1)
+ fd->tunnel_l3_prot = PROT_TUN_L3_IPV4;
+
+ else
+ fd->l3_prot = PROT_L3_IPV4;
+ }
+
+ break;
break;
default:
--
2.45.0