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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH net-next] octeontx2-af: add support for custom L2 header Date: Wed, 15 Jul 2026 12:50:34 +0530 Message-ID: <20260715072035.617544-1-nshettyj@marvell.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=SoGgLvO0 c=1 sm=1 tr=0 ts=6a5734d3 cx=c_pps a=gIfcoYsirJbf48DBMSPrZA==:117 a=gIfcoYsirJbf48DBMSPrZA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=QXcCYyLzdtTjyudCfB6f:22 a=M5GUcnROAAAA:8 a=SVl1XXPbahHPMHDWaqIA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-GUID: PnNuiDvPzZ7FHGX2s9cUxCvGfqG5k_AH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE1MDA2OSBTYWx0ZWRfX568bvNhV67hX uuhTbior7yKRlxEQCa9ydoad7N2bHcmdstvrvSdCRDtBU34TadHA9iu0MqVMvTv1/elw2Og/4N9 UKgVTXcxDie/Kou7jWehEpTiGHstn63c/oLE46eLi+INL719mv6Ey2WM8VGExzKKD8vHjxm79ih E8U+cKz6uYcqBhsHzr2nu92QKFI0tPUKm6QX9dRUd2CmNRyY4EtxQut6IfzebhtLD0s5I7m/T0g EwOYtCLUDb9ArPs9aURuxdshznZ9Dv09AubbYxMV4B7WoeKbFSAGz3Uzfhaau/8MKbY9ty6qagp ITGmujHidvXnspxcuQJlNBa0Y7O76Ye8GxHwHWkhCPIjLoGSAhPOenUFwmUB+0U5pvz8FM83P8s R5EWg3OBRgOHOHlN3d5SsUodH3i5QAU91YKsGXoFKH5VanU8e8Q6EUaWWXS8vpb0cJgDamvDB7A z3URJshJHxDsJY824aA== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE1MDA2OSBTYWx0ZWRfX967JN51O9f+G mkQp3a3IJhcstTBcDTsbZVqsEBHp051odu7XNfMtvmcqhYPk9MKARugDT+HfxRLGQVHy83ekpXj PdfgPcREsgT029TJzaKV5hUF650Z1n4= X-Proofpoint-ORIG-GUID: PqBvhfpfduX7U1sAfKu3G5GjmJ_xEEtb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-15_02,2026-07-14_01,2025-10-01_01 From: Satheesh Paul A Add packet parsing support for custom L2 headers. Also add support to include a field from the custom header for flow tag generation. Introduce a new flow key type NIX_FLOW_KEY_TYPE_CH_LEN_90B which maps to the NPC_LT_LA_CUSTOM_L2_90B_ETHER layer type. This extracts a 2-byte field at a 24-byte offset in layer A to be used in flow tag generation. Signed-off-by: Satheesh Paul A Signed-off-by: Nitin Shetty J --- drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 1 + drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 253dfee9646e..10552e9cf519 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -1263,6 +1263,7 @@ 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_CH_LEN_90B BIT(18) #define NIX_FLOW_KEY_TYPE_CUSTOM0 BIT(19) #define NIX_FLOW_KEY_TYPE_VLAN BIT(20) #define NIX_FLOW_KEY_TYPE_IPV4_PROTO BIT(21) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index c5bddd2ad920..dade7bb6deb7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4288,6 +4288,13 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg) field->ltype_match = NPC_LT_LC_CUSTOM0; field->ltype_mask = 0xF; break; + case NIX_FLOW_KEY_TYPE_CH_LEN_90B: + field->lid = NPC_LID_LA; + field->hdr_offset = 24; + field->bytesm1 = 1; /* 2 Bytes*/ + field->ltype_match = NPC_LT_LA_CUSTOM_L2_90B_ETHER; + field->ltype_mask = 0xF; + break; case NIX_FLOW_KEY_TYPE_VLAN: field->lid = NPC_LID_LB; field->hdr_offset = 2; /* Skip TPID (2-bytes) */ -- 2.48.1