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sfxge(4): add helper API to make Geneve filter spec

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Submitted by:   Vijay Srivastava <vijays at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18272
This commit is contained in:
Andrew Rybchenko 2018-11-30 07:08:05 +00:00
parent fe094a7cbc
commit 1ad53cbf7e
2 changed files with 95 additions and 13 deletions
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18
sys/dev/sfxge/common/efx.h
View File

@ -2988,9 +2988,23 @@ efx_filter_spec_set_encap_type(
__in efx_filter_inner_frame_match_t inner_frame_match);
extern __checkReturn efx_rc_t
efx_filter_spec_set_vxlan_full(
efx_filter_spec_set_vxlan(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vxlan_id,
__in const uint8_t *vni,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr);
extern __checkReturn efx_rc_t
efx_filter_spec_set_geneve(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vni,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr);
extern __checkReturn efx_rc_t
efx_filter_spec_set_nvgre(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vsid,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr);

90
sys/dev/sfxge/common/efx_filter.c
View File

@ -519,27 +519,42 @@ fail1:
}
/*
* Specify inner and outer Ethernet address and VXLAN ID in filter
* Specify inner and outer Ethernet address and VNI or VSID in tunnel filter
* specification.
*/
__checkReturn efx_rc_t
efx_filter_spec_set_vxlan_full(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vxlan_id,
static __checkReturn efx_rc_t
efx_filter_spec_set_tunnel(
__inout efx_filter_spec_t *spec,
__in efx_tunnel_protocol_t encap_type,
__in const uint8_t *vni_or_vsid,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr)
{
efx_rc_t rc;
EFSYS_ASSERT3P(spec, !=, NULL);
EFSYS_ASSERT3P(vxlan_id, !=, NULL);
EFSYS_ASSERT3P(vni_or_vsid, !=, NULL);
EFSYS_ASSERT3P(inner_addr, !=, NULL);
EFSYS_ASSERT3P(outer_addr, !=, NULL);
if ((inner_addr == NULL) && (outer_addr == NULL))
return (EINVAL);
switch (encap_type) {
case EFX_TUNNEL_PROTOCOL_VXLAN:
case EFX_TUNNEL_PROTOCOL_GENEVE:
case EFX_TUNNEL_PROTOCOL_NVGRE:
break;
default:
rc = EINVAL;
goto fail1;
}
if (vxlan_id != NULL) {
if ((inner_addr == NULL) && (outer_addr == NULL)) {
rc = EINVAL;
goto fail2;
}
if (vni_or_vsid != NULL) {
spec->efs_match_flags |= EFX_FILTER_MATCH_VNI_OR_VSID;
memcpy(spec->efs_vni_or_vsid, vxlan_id, EFX_VNI_OR_VSID_LEN);
memcpy(spec->efs_vni_or_vsid, vni_or_vsid, EFX_VNI_OR_VSID_LEN);
}
if (outer_addr != NULL) {
spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_MAC;
@ -549,10 +564,63 @@ efx_filter_spec_set_vxlan_full(
spec->efs_match_flags |= EFX_FILTER_MATCH_IFRM_LOC_MAC;
memcpy(spec->efs_ifrm_loc_mac, inner_addr, EFX_MAC_ADDR_LEN);
}
spec->efs_match_flags |= EFX_FILTER_MATCH_ENCAP_TYPE;
spec->efs_encap_type = EFX_TUNNEL_PROTOCOL_VXLAN;
spec->efs_encap_type = encap_type;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
/*
* Specify inner and outer Ethernet address and VNI in VXLAN filter
* specification.
*/
__checkReturn efx_rc_t
efx_filter_spec_set_vxlan(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vni,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr)
{
return efx_filter_spec_set_tunnel(spec, EFX_TUNNEL_PROTOCOL_VXLAN,
vni, inner_addr, outer_addr);
}
/*
* Specify inner and outer Ethernet address and VNI in Geneve filter
* specification.
*/
__checkReturn efx_rc_t
efx_filter_spec_set_geneve(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vni,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr)
{
return efx_filter_spec_set_tunnel(spec, EFX_TUNNEL_PROTOCOL_GENEVE,
vni, inner_addr, outer_addr);
}
/*
* Specify inner and outer Ethernet address and vsid in NVGRE filter
* specification.
*/
__checkReturn efx_rc_t
efx_filter_spec_set_nvgre(
__inout efx_filter_spec_t *spec,
__in const uint8_t *vsid,
__in const uint8_t *inner_addr,
__in const uint8_t *outer_addr)
{
return efx_filter_spec_set_tunnel(spec, EFX_TUNNEL_PROTOCOL_NVGRE,
vsid, inner_addr, outer_addr);
}
#if EFSYS_OPT_RX_SCALE