This patch extended flow director to select Vxlan/GRE tunnel ID
as filter's input set and program the filter rule with the defined
tunnel type.
Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 11 ++++
drivers/net/i40e/i40e_fdir.c | 125 ++++++++++++++++++++++++++++++-----------
2 files changed, 102 insertions(+), 34 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 32ffc9f..62cdf81 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -6555,48 +6555,59 @@ i40e_get_valid_input_set(enum i40e_filter_pctype pctype,
*/
static const uint64_t valid_fdir_inset_table[] = {
[I40E_FILTER_PCTYPE_FRAG_IPV4] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV4_SRC | I40E_INSET_IPV4_DST |
I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_PROTO |
I40E_INSET_IPV4_TTL,
[I40E_FILTER_PCTYPE_NONF_IPV4_UDP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV4_SRC | I40E_INSET_IPV4_DST |
I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_TTL |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT,
[I40E_FILTER_PCTYPE_NONF_IPV4_TCP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV4_SRC | I40E_INSET_IPV4_DST |
I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_TTL |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT,
[I40E_FILTER_PCTYPE_NONF_IPV4_SCTP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV4_SRC | I40E_INSET_IPV4_DST |
I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_TTL |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT |
I40E_INSET_SCTP_VT,
[I40E_FILTER_PCTYPE_NONF_IPV4_OTHER] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV4_SRC | I40E_INSET_IPV4_DST |
I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_PROTO |
I40E_INSET_IPV4_TTL,
[I40E_FILTER_PCTYPE_FRAG_IPV6] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV6_SRC | I40E_INSET_IPV6_DST |
I40E_INSET_IPV6_TC | I40E_INSET_IPV6_NEXT_HDR |
I40E_INSET_IPV6_HOP_LIMIT,
[I40E_FILTER_PCTYPE_NONF_IPV6_UDP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV6_SRC | I40E_INSET_IPV6_DST |
I40E_INSET_IPV6_TC | I40E_INSET_IPV6_HOP_LIMIT |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT,
[I40E_FILTER_PCTYPE_NONF_IPV6_TCP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV6_SRC | I40E_INSET_IPV6_DST |
I40E_INSET_IPV6_TC | I40E_INSET_IPV6_HOP_LIMIT |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT,
[I40E_FILTER_PCTYPE_NONF_IPV6_SCTP] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV6_SRC | I40E_INSET_IPV6_DST |
I40E_INSET_IPV6_TC | I40E_INSET_IPV6_HOP_LIMIT |
I40E_INSET_SRC_PORT | I40E_INSET_DST_PORT |
I40E_INSET_SCTP_VT,
[I40E_FILTER_PCTYPE_NONF_IPV6_OTHER] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_IPV6_SRC | I40E_INSET_IPV6_DST |
I40E_INSET_IPV6_TC | I40E_INSET_IPV6_NEXT_HDR |
I40E_INSET_IPV6_HOP_LIMIT,
[I40E_FILTER_PCTYPE_L2_PAYLOAD] =
+ I40E_INSET_TUNNEL_ID |
I40E_INSET_LAST_ETHER_TYPE,
};
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 5ea97e5..7566017 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -688,11 +688,13 @@ i40e_fdir_configure(struct rte_eth_dev *dev)
static inline void
i40e_fdir_fill_eth_ip_head(const struct rte_eth_fdir_input *fdir_input,
- unsigned char *raw_pkt)
+ unsigned char *pkt, bool need_mac)
{
- struct ether_hdr *ether = (struct ether_hdr *)raw_pkt;
- struct ipv4_hdr *ip;
- struct ipv6_hdr *ip6;
+ struct ether_hdr *ether = (struct ether_hdr *)pkt;
+ struct ipv4_hdr *ip =
+ (struct ipv4_hdr *)(pkt + sizeof(struct ether_hdr));
+ struct ipv6_hdr *ip6 =
+ (struct ipv6_hdr *)(pkt + sizeof(struct ether_hdr));
static const uint8_t next_proto[] = {
[RTE_ETH_FLOW_FRAG_IPV4] = IPPROTO_IP,
[RTE_ETH_FLOW_NONFRAG_IPV4_TCP] = IPPROTO_TCP,
@@ -708,16 +710,18 @@ i40e_fdir_fill_eth_ip_head(const struct
rte_eth_fdir_input *fdir_input,
switch (fdir_input->flow_type) {
case RTE_ETH_FLOW_L2_PAYLOAD:
- ether->ether_type = fdir_input->flow.l2_flow.ether_type;
+ if (need_mac)
+ ether->ether_type = fdir_input->flow.l2_flow.ether_type;
break;
case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
case RTE_ETH_FLOW_FRAG_IPV4:
- ip = (struct ipv4_hdr *)(raw_pkt + sizeof(struct ether_hdr));
-
- ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ if (!need_mac)
+ ip = (struct ipv4_hdr *)pkt;
+ else
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
/* set len to by default */
ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
@@ -741,9 +745,10 @@ i40e_fdir_fill_eth_ip_head(const struct rte_eth_fdir_input
*fdir_input,
case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
case RTE_ETH_FLOW_FRAG_IPV6:
- ip6 = (struct ipv6_hdr *)(raw_pkt + sizeof(struct ether_hdr));
-
- ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ if (!need_mac)
+ ip6 = (struct ipv6_hdr *)pkt;
+ else
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
ip6->vtc_flow =
rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW |
(fdir_input->flow.ipv6_flow.tc <<
@@ -775,7 +780,7 @@ i40e_fdir_fill_eth_ip_head(const struct rte_eth_fdir_input
*fdir_input,
}
}
-
+#define I40E_TUNNEL_KEY_LEN 4
/*
* i40e_fdir_construct_pkt - construct packet based on fields in input
* @pf: board private structure
@@ -787,21 +792,80 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
const struct rte_eth_fdir_input *fdir_input,
unsigned char *raw_pkt)
{
- unsigned char *payload, *ptr;
+ unsigned char *payload, *ptr, *inner_pkt = raw_pkt;
struct udp_hdr *udp;
struct tcp_hdr *tcp;
struct sctp_hdr *sctp;
uint8_t size, dst = 0;
uint8_t i, pit_idx, set_idx = I40E_FLXPLD_L4_IDX; /* use l4 by default*/
-
- /* fill the ethernet and IP head */
- i40e_fdir_fill_eth_ip_head(fdir_input, raw_pkt);
-
+ bool need_mac = TRUE;
+ static uint8_t gre4_frame[] = {0x08, 0,
+ 0x45, 0, 0, 0x3A, 0, 0, 0, 0, 0x40, 0x2F,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0x08, 0,
+ 0, 0, 0, 0}; /* Mac+ IP + GRE hdr + key */
+ static uint8_t gre6_frame[] = {0x08, 0,
+ 0x45, 0, 0, 0x3A, 0, 0, 0, 0, 0x40, 0x2F,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0x86, 0xDD,
+ 0, 0, 0, 0, 0}; /* Mac+ IP + GRE hdr + key */
+ static uint8_t vxlan_frame[] = {0x08, 0,
+ 0x45, 0, 0, 0x3A, 0, 0, 0, 0, 0x40, 0x11,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0x12, 0xB5, 0x12, 0xB5, 0x08, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0}; /* Mac + IP + UDP + VXLAN hdr
*/
+ static uint8_t nvgre_frame[] = {0x08, 0,
+ 0x45, 0, 0, 0x3A, 0, 0, 0, 0, 0x40, 0x2F,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0x65, 0x58,
+ 0, 0, 0, 0}; /*Mac + IP + NVGRE hdr*/
+
+ inner_pkt += 2 * sizeof(struct ether_addr);
+ /* fill the tunnel header if required */
+ switch (fdir_input->flow.tunnel_flow.tunnel_type) {
+ case RTE_FDIR_TUNNEL_TYPE_GRE:
+ if (fdir_input->flow_type == RTE_ETH_FLOW_L2_PAYLOAD) {
+ PMD_DRV_LOG(ERR, "GRE's inner pkt shouldn't"
+ " be L2 frame.");
+ return -EINVAL;
+ }
+ if ((fdir_input->flow_type) == RTE_ETH_FLOW_FRAG_IPV4 ||
+ (fdir_input->flow_type) == RTE_ETH_FLOW_NONFRAG_IPV4_TCP ||
+ (fdir_input->flow_type) == RTE_ETH_FLOW_NONFRAG_IPV4_UDP ||
+ (fdir_input->flow_type) == RTE_ETH_FLOW_NONFRAG_IPV4_SCTP ||
+ (fdir_input->flow_type) == RTE_ETH_FLOW_NONFRAG_IPV4_OTHER)
+ rte_memcpy(inner_pkt, gre4_frame, sizeof(gre4_frame));
+ else
+ rte_memcpy(inner_pkt, gre6_frame, sizeof(gre6_frame));
+ /* gre4_frame and gre4_frame have the same size */
+ inner_pkt += sizeof(gre4_frame);
+ rte_memcpy(inner_pkt - I40E_TUNNEL_KEY_LEN,
+ &fdir_input->flow.tunnel_flow.tunnel_id,
+ I40E_TUNNEL_KEY_LEN);
+ need_mac = FALSE;
+ break;
+ case RTE_FDIR_TUNNEL_TYPE_VXLAN:
+ rte_memcpy(inner_pkt, vxlan_frame, sizeof(vxlan_frame));
+ inner_pkt += sizeof(vxlan_frame);
+ rte_memcpy(inner_pkt - I40E_TUNNEL_KEY_LEN,
+ &fdir_input->flow.tunnel_flow.tunnel_id,
+ I40E_TUNNEL_KEY_LEN);
+ break;
+ case RTE_FDIR_TUNNEL_TYPE_NVGRE:
+ rte_memcpy(inner_pkt, nvgre_frame, sizeof(nvgre_frame));
+ inner_pkt += sizeof(nvgre_frame);
+ rte_memcpy(inner_pkt - I40E_TUNNEL_KEY_LEN,
+ &fdir_input->flow.tunnel_flow.tunnel_id,
+ I40E_TUNNEL_KEY_LEN);
+ break;
+ default:
+ break;
+ }
+ /* fill the ethernet and IP head of inner or single frame */
+ i40e_fdir_fill_eth_ip_head(fdir_input, inner_pkt, need_mac);
+ if (need_mac)
+ inner_pkt += sizeof(struct ether_hdr);
/* fill the L4 head */
switch (fdir_input->flow_type) {
case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
- udp = (struct udp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr));
+ udp = (struct udp_hdr *)(inner_pkt + sizeof(struct ipv4_hdr));
payload = (unsigned char *)udp + sizeof(struct udp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -814,8 +878,7 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
break;
case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
- tcp = (struct tcp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr));
+ tcp = (struct tcp_hdr *)(inner_pkt + sizeof(struct ipv4_hdr));
payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -828,8 +891,7 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
break;
case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
- sctp = (struct sctp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr));
+ sctp = (struct sctp_hdr *)(inner_pkt + sizeof(struct ipv4_hdr));
payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -843,14 +905,12 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
case RTE_ETH_FLOW_FRAG_IPV4:
- payload = raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr);
+ payload = inner_pkt + sizeof(struct ipv4_hdr);
set_idx = I40E_FLXPLD_L3_IDX;
break;
case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
- udp = (struct udp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv6_hdr));
+ udp = (struct udp_hdr *)(inner_pkt + sizeof(struct ipv6_hdr));
payload = (unsigned char *)udp + sizeof(struct udp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -863,8 +923,7 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
break;
case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
- tcp = (struct tcp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv6_hdr));
+ tcp = (struct tcp_hdr *)(inner_pkt + sizeof(struct ipv6_hdr));
payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -877,8 +936,7 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
break;
case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
- sctp = (struct sctp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv6_hdr));
+ sctp = (struct sctp_hdr *)(inner_pkt + sizeof(struct ipv6_hdr));
payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
/*
* The source and destination fields in the transmitted packet
@@ -892,12 +950,11 @@ i40e_fdir_construct_pkt(struct i40e_pf *pf,
case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
case RTE_ETH_FLOW_FRAG_IPV6:
- payload = raw_pkt + sizeof(struct ether_hdr) +
- sizeof(struct ipv6_hdr);
+ payload = inner_pkt + sizeof(struct ipv6_hdr);
set_idx = I40E_FLXPLD_L3_IDX;
break;
case RTE_ETH_FLOW_L2_PAYLOAD:
- payload = raw_pkt + sizeof(struct ether_hdr);
+ payload = inner_pkt;
/*
* ARP packet is a special case on which the payload
* starts after the whole ARP header
--
2.4.0
