[dpdk-dev] [PATCH 02/14] net/sfc/base: support VNI/VSID and inner frame local MAC

[Andrew Rybchenko]

From: Roman Zhukov <Roman.Zhukov at oktetlabs.ru>

This supports VNI/VSID and inner frame local MAC fields to
match in VXLAN, GENEVE, or NVGRE packets.

Signed-off-by: Roman Zhukov <Roman.Zhukov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Reviewed-by: Andy Moreton <amoreton at solarflare.com>
---
 drivers/net/sfc/base/ef10_filter.c | 18 ++++++++++++++++++
 drivers/net/sfc/base/efx.h         |  8 ++++++++
 2 files changed, 26 insertions(+)

diff --git a/drivers/net/sfc/base/ef10_filter.c b/drivers/net/sfc/base/ef10_filter.c
index f643cdb..8026b1a 100644
--- a/drivers/net/sfc/base/ef10_filter.c
+++ b/drivers/net/sfc/base/ef10_filter.c
@@ -118,6 +118,10 @@ ef10_filter_init(
 	    MATCH_MASK(MC_CMD_FILTER_OP_EXT_IN_MATCH_OUTER_VLAN));
 	EFX_STATIC_ASSERT(EFX_FILTER_MATCH_IP_PROTO ==
 	    MATCH_MASK(MC_CMD_FILTER_OP_EXT_IN_MATCH_IP_PROTO));
+	EFX_STATIC_ASSERT(EFX_FILTER_MATCH_VNI_OR_VSID ==
+	    MATCH_MASK(MC_CMD_FILTER_OP_EXT_IN_MATCH_VNI_OR_VSID));
+	EFX_STATIC_ASSERT(EFX_FILTER_MATCH_IFRM_LOC_MAC ==
+	    MATCH_MASK(MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_MAC));
 	EFX_STATIC_ASSERT(EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST ==
 	    MATCH_MASK(MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_MCAST_DST));
 	EFX_STATIC_ASSERT(EFX_FILTER_MATCH_IFRM_UNKNOWN_UCAST_DST ==
@@ -290,6 +294,12 @@ efx_mcdi_filter_op_add(
 			rc = EINVAL;
 			goto fail2;
 		}
+
+		memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_EXT_IN_VNI_OR_VSID),
+		    spec->efs_vni_or_vsid, EFX_VNI_OR_VSID_LEN);
+
+		memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_EXT_IN_IFRM_DST_MAC),
+		    spec->efs_ifrm_loc_mac, EFX_MAC_ADDR_LEN);
 	}
 
 	efx_mcdi_execute(enp, &req);
@@ -413,6 +423,12 @@ ef10_filter_equal(
 		return (B_FALSE);
 	if (left->efs_encap_type != right->efs_encap_type)
 		return (B_FALSE);
+	if (memcmp(left->efs_vni_or_vsid, right->efs_vni_or_vsid,
+	    EFX_VNI_OR_VSID_LEN))
+		return (B_FALSE);
+	if (memcmp(left->efs_ifrm_loc_mac, right->efs_ifrm_loc_mac,
+	    EFX_MAC_ADDR_LEN))
+		return (B_FALSE);
 
 	return (B_TRUE);
 
@@ -983,6 +999,8 @@ ef10_filter_supported_filters(
 	    EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_PORT |
 	    EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_INNER_VID |
 	    EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_IP_PROTO |
+	    EFX_FILTER_MATCH_VNI_OR_VSID |
+	    EFX_FILTER_MATCH_IFRM_LOC_MAC |
 	    EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST |
 	    EFX_FILTER_MATCH_IFRM_UNKNOWN_UCAST_DST |
 	    EFX_FILTER_MATCH_UNKNOWN_MCAST_DST |
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index fe996e7..ac589f9 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -413,6 +413,8 @@ typedef enum efx_link_mode_e {
 
 #define	EFX_MAC_ADDR_LEN 6
 
+#define	EFX_VNI_OR_VSID_LEN 3
+
 #define	EFX_MAC_ADDR_IS_MULTICAST(_address) (((uint8_t *)_address)[0] & 0x01)
 
 #define	EFX_MAC_MULTICAST_LIST_MAX	256
@@ -2313,6 +2315,10 @@ typedef uint8_t efx_filter_flags_t;
 #define	EFX_FILTER_MATCH_OUTER_VID		0x00000100
 /* Match by IP transport protocol */
 #define	EFX_FILTER_MATCH_IP_PROTO		0x00000200
+/* Match by VNI or VSID */
+#define	EFX_FILTER_MATCH_VNI_OR_VSID		0x00000800
+/* For encapsulated packets, match by inner frame local MAC address */
+#define	EFX_FILTER_MATCH_IFRM_LOC_MAC		0x00010000
 /* For encapsulated packets, match all multicast inner frames */
 #define	EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST	0x01000000
 /* For encapsulated packets, match all unicast inner frames */
@@ -2359,6 +2365,8 @@ typedef struct efx_filter_spec_s {
 	uint16_t			efs_rem_port;
 	efx_oword_t			efs_rem_host;
 	efx_oword_t			efs_loc_host;
+	uint8_t				efs_vni_or_vsid[EFX_VNI_OR_VSID_LEN];
+	uint8_t				efs_ifrm_loc_mac[EFX_MAC_ADDR_LEN];
 } efx_filter_spec_t;
 
 
-- 
2.7.4