diff options
| author | George Cherian <george.cherian@marvell.com> | 2020-09-22 15:07:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-24 02:45:23 +0200 |
| commit | 8f900363df52311cab72869668905b19d1888ef5 (patch) | |
| tree | 50dc11dfd1c0aaa539151a3976399f6d5224b74b /drivers | |
| parent | net: fix a new kernel-doc warning at dev.c (diff) | |
| download | linux-8f900363df52311cab72869668905b19d1888ef5.tar.xz linux-8f900363df52311cab72869668905b19d1888ef5.zip | |
octeontx2-af: Add support for VLAN based RSS hashing
Added support for PF/VF drivers to choose RSS flow key algorithm
with VLAN tag included in hashing input data. Only CTAG is considered.
Signed-off-by: George Cherian <george.cherian@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 4aaef0a2b51c..aa3bda3f34be 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -625,6 +625,7 @@ struct nix_rss_flowkey_cfg { #define NIX_FLOW_KEY_TYPE_INNR_UDP BIT(15) #define NIX_FLOW_KEY_TYPE_INNR_SCTP BIT(16) #define NIX_FLOW_KEY_TYPE_INNR_ETH_DMAC BIT(17) +#define NIX_FLOW_KEY_TYPE_VLAN BIT(20) u32 flowkey_cfg; /* Flowkey types selected */ u8 group; /* RSS context or group */ }; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 08181fc5f5d4..4bdc4baa3c59 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -2509,6 +2509,14 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) field->ltype_match = NPC_LT_LE_GTPU; field->ltype_mask = 0xF; break; + case NIX_FLOW_KEY_TYPE_VLAN: + field->lid = NPC_LID_LB; + field->hdr_offset = 2; /* Skip TPID (2-bytes) */ + field->bytesm1 = 1; /* 2 Bytes (Actually 12 bits) */ + field->ltype_match = NPC_LT_LB_CTAG; + field->ltype_mask = 0xF; + field->fn_mask = 1; /* Mask out the first nibble */ + break; } field->ena = 1; |