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sfxge(4): support VNI/VSID and inner frame local MAC

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

Submitted by:   Roman Zhukov <roman.zhukov at oktetlabs.ru>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18218
This commit is contained in:
Andrew Rybchenko 2018-11-29 06:42:15 +00:00
parent 13c11cb7aa
commit de7acb0847
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=341187
2 changed files with 26 additions and 0 deletions
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18
sys/dev/sfxge/common/ef10_filter.c
View File

@ -146,6 +146,10 @@ 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 ==
@ -319,6 +323,12 @@ 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);
@ -442,6 +452,12 @@ 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);
@ -1015,6 +1031,8 @@ 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 |

8
sys/dev/sfxge/common/efx.h
View File

@ -482,6 +482,8 @@ 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
@ -2504,6 +2506,10 @@ 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 */
@ -2550,6 +2556,8 @@ 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;