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authorEdward Cree <ecree.xilinx@gmail.com>2022-11-03 18:27:30 +0300
committerJakub Kicinski <kuba@kernel.org>2022-11-05 05:54:24 +0300
commit5ca7ef293866f034c9a21a567a498dadfd1d57a8 (patch)
treee7adfdf617472aa15c628355c962d553b02b9d70 /drivers/net
parentc178dff3f92d4416b43f3a376174357549a0d347 (diff)
downloadlinux-5ca7ef293866f034c9a21a567a498dadfd1d57a8.tar.xz
sfc: add Layer 3 flag matches to ef100 TC offload
Support matching on ip_frag and ip_firstfrag. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/sfc/mae.c25
-rw-r--r--drivers/net/ethernet/sfc/tc.c10
-rw-r--r--drivers/net/ethernet/sfc/tc.h1
3 files changed, 35 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/mae.c b/drivers/net/ethernet/sfc/mae.c
index b894fc658867..e24436ba699c 100644
--- a/drivers/net/ethernet/sfc/mae.c
+++ b/drivers/net/ethernet/sfc/mae.c
@@ -263,6 +263,18 @@ static int efx_mae_match_check_cap_typ(u8 support, enum mask_type typ)
mask_type_name(typ), #_field); \
rc; \
})
+/* Booleans need special handling */
+#define CHECK_BIT(_mcdi, _field) ({ \
+ enum mask_type typ = mask->_field ? MASK_ONES : MASK_ZEROES; \
+ \
+ rc = efx_mae_match_check_cap_typ(supported_fields[MAE_FIELD_ ## _mcdi],\
+ typ); \
+ if (rc) \
+ NL_SET_ERR_MSG_FMT_MOD(extack, \
+ "No support for %s mask in field %s", \
+ mask_type_name(typ), #_field); \
+ rc; \
+})
int efx_mae_match_check_caps(struct efx_nic *efx,
const struct efx_tc_match_fields *mask,
@@ -299,10 +311,13 @@ int efx_mae_match_check_caps(struct efx_nic *efx,
CHECK(SRC_IP6, src_ip6) ||
CHECK(DST_IP6, dst_ip6) ||
#endif
+ CHECK_BIT(IS_IP_FRAG, ip_frag) ||
+ CHECK_BIT(IP_FIRST_FRAG, ip_firstfrag) ||
CHECK(RECIRC_ID, recirc_id))
return rc;
return 0;
}
+#undef CHECK_BIT
#undef CHECK
static bool efx_mae_asl_id(u32 id)
@@ -472,6 +487,16 @@ static int efx_mae_populate_match_criteria(MCDI_DECLARE_STRUCT_PTR(match_crit),
}
MCDI_STRUCT_SET_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_INGRESS_MPORT_SELECTOR_MASK,
match->mask.ingress_port);
+ EFX_POPULATE_DWORD_2(*_MCDI_STRUCT_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_FLAGS),
+ MAE_FIELD_MASK_VALUE_PAIRS_V2_IS_IP_FRAG,
+ match->value.ip_frag,
+ MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_FIRST_FRAG,
+ match->value.ip_firstfrag);
+ EFX_POPULATE_DWORD_2(*_MCDI_STRUCT_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_FLAGS_MASK),
+ MAE_FIELD_MASK_VALUE_PAIRS_V2_IS_IP_FRAG,
+ match->mask.ip_frag,
+ MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_FIRST_FRAG,
+ match->mask.ip_firstfrag);
MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_RECIRC_ID,
match->value.recirc_id);
MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_RECIRC_ID_MASK,
diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c
index d992fafc844e..1a9cc2ad1335 100644
--- a/drivers/net/ethernet/sfc/tc.c
+++ b/drivers/net/ethernet/sfc/tc.c
@@ -168,7 +168,15 @@ static int efx_tc_flower_parse_match(struct efx_nic *efx,
break;
}
- if (fm.mask->flags) {
+ if (fm.mask->flags & FLOW_DIS_IS_FRAGMENT) {
+ match->value.ip_frag = fm.key->flags & FLOW_DIS_IS_FRAGMENT;
+ match->mask.ip_frag = true;
+ }
+ if (fm.mask->flags & FLOW_DIS_FIRST_FRAG) {
+ match->value.ip_firstfrag = fm.key->flags & FLOW_DIS_FIRST_FRAG;
+ match->mask.ip_firstfrag = true;
+ }
+ if (fm.mask->flags & ~(FLOW_DIS_IS_FRAGMENT | FLOW_DIS_FIRST_FRAG)) {
NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported match on control.flags %#x",
fm.mask->flags);
return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h
index aebe9c251b2c..d2b61926657b 100644
--- a/drivers/net/ethernet/sfc/tc.h
+++ b/drivers/net/ethernet/sfc/tc.h
@@ -38,6 +38,7 @@ struct efx_tc_match_fields {
#ifdef CONFIG_IPV6
struct in6_addr src_ip6, dst_ip6;
#endif
+ bool ip_frag, ip_firstfrag;
};
struct efx_tc_match {