From: George Cherian Date: Fri, 20 Nov 2020 09:39:06 +0000 (+0530) Subject: octeontx2-af: Add support for RSS hashing based on Transport protocol field X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f9e425e99b0756c1479042afe761073779df2a30;p=linux.git octeontx2-af: Add support for RSS hashing based on Transport protocol field Add support to choose RSS flow key algorithm with IPv4 transport protocol field included in hashing input data. This will be enabled by default. There-by enabling 3/5 tuple hash Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: George Cherian Link: https://lore.kernel.org/r/20201120093906.2873616-1-george.cherian@marvell.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 221fe5b7c093d..f919283ddc34d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -716,6 +716,7 @@ struct nix_rss_flowkey_cfg { #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) +#define NIX_FLOW_KEY_TYPE_IPV4_PROTO BIT(21) 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 739b37034bdf6..a8dfbb6d17746 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -2626,6 +2626,13 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) /* This should be set to 1, when SEL_CHAN is set */ field->bytesm1 = 1; break; + case NIX_FLOW_KEY_TYPE_IPV4_PROTO: + field->lid = NPC_LID_LC; + field->hdr_offset = 9; /* offset */ + field->bytesm1 = 0; /* 1 byte */ + field->ltype_match = NPC_LT_LC_IP; + field->ltype_mask = 0xF; + break; case NIX_FLOW_KEY_TYPE_IPV4: case NIX_FLOW_KEY_TYPE_INNR_IPV4: field->lid = NPC_LID_LC; diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 68fb4e4757aaa..73fb94dd5fbcc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -359,7 +359,8 @@ int otx2_rss_init(struct otx2_nic *pfvf) rss->flowkey_cfg = rss->enable ? rss->flowkey_cfg : NIX_FLOW_KEY_TYPE_IPV4 | NIX_FLOW_KEY_TYPE_IPV6 | NIX_FLOW_KEY_TYPE_TCP | NIX_FLOW_KEY_TYPE_UDP | - NIX_FLOW_KEY_TYPE_SCTP | NIX_FLOW_KEY_TYPE_VLAN; + NIX_FLOW_KEY_TYPE_SCTP | NIX_FLOW_KEY_TYPE_VLAN | + NIX_FLOW_KEY_TYPE_IPV4_PROTO; ret = otx2_set_flowkey_cfg(pfvf); if (ret)