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([2a09:bac1:76c0:540::3ce:23]) by smtp.gmail.com with ESMTPSA id 5614622812f47-466dfac17b3sm1532769b6e.14.2026.03.06.15.06.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 15:06:34 -0800 (PST) From: Chris J Arges To: michael.chan@broadcom.com, pavan.chebbi@broadcom.com, joe@dama.to, kuba@kernel.org, Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Andrew Lunn , Eric Dumazet , Paolo Abeni Cc: kernel-team@cloudflare.com, Chris J Arges , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 3/5] bnxt_en: Implement XDP RSS hash metadata extraction for V3_CMP Date: Fri, 6 Mar 2026 17:00:18 -0600 Message-ID: <20260306230600.1628196-4-carges@cloudflare.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260306230600.1628196-1-carges@cloudflare.com> References: <20260306230600.1628196-1-carges@cloudflare.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This adds another conditional for if cmp_type is CMP_TYPE_RX_L2_V3_CMP for drivers that support this completion format. It uses a similar approach as found in other parts of the driver. Signed-off-by: Chris J Arges --- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index 1f920464b426..25ecef1eb96e 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -514,6 +514,26 @@ int bnxt_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, default: break; } + } else if (xdp->cmp_type == CMP_TYPE_RX_L2_V3_CMP) { + struct bnxt *bp = netdev_priv(xdp->xdp.rxq->dev); + u8 ext_op; + + if (rxcmp1->rx_cmp_flags2 & cpu_to_le32(RX_CMP_FLAGS2_IP_TYPE)) + hash_type |= XDP_RSS_TYPE_L3_IPV6; + else + hash_type |= XDP_RSS_TYPE_L3_IPV4; + + ext_op = RX_CMP_V3_HASH_TYPE(bp, rxcmp); + switch (ext_op) { + case EXT_OP_INNER_4: + case EXT_OP_OUTER_4: + case EXT_OP_INNFL_3: + case EXT_OP_OUTFL_3: + hash_type |= XDP_RSS_L4; + break; + default: + break; + } } *rss_type = hash_type; -- 2.43.0