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[76.102.12.149]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c0e55ca0f6sm4007492eec.25.2026.03.18.08.03.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2026 08:03:20 -0700 (PDT) From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, corbet@lwn.net, skhan@linuxfoundation.org, andrew+netdev@lunn.ch, michael.chan@broadcom.com, pavan.chebbi@broadcom.com, anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, saeedm@nvidia.com, tariqt@nvidia.com, mbloch@nvidia.com, alexanderduyck@fb.com, kernel-team@meta.com, johannes@sipsolutions.net, sd@queasysnail.net, jianbol@nvidia.com, dtatulea@nvidia.com, sdf@fomichev.me, mohsin.bashr@gmail.com, jacob.e.keller@intel.com, willemb@google.com, skhawaja@google.com, bestswngs@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-rdma@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kselftest@vger.kernel.org, leon@kernel.org Subject: [PATCH net-next v2 08/13] bnxt: use snapshot in bnxt_cfg_rx_mode Date: Wed, 18 Mar 2026 08:03:00 -0700 Message-ID: <20260318150305.123900-9-sdf@fomichev.me> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260318150305.123900-1-sdf@fomichev.me> References: <20260318150305.123900-1-sdf@fomichev.me> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" With the introduction of ndo_set_rx_mode_async (as discussed in [0]) we can call bnxt_cfg_rx_mode directly. Convert bnxt_cfg_rx_mode to use uc/mc snapshots and move its call in bnxt_sp_task to the section that resets BNXT_STATE_IN_SP_TASK. Switch to direct call in bnxt_set_rx_mode. 0: https://lore.kernel.org/netdev/CACKFLi=3D5vj8hPqEUKDd8RTw3au5G+zRgQEqjF+= 6NZnyoNm90KA@mail.gmail.com/ Cc: Michael Chan Cc: Pavan Chebbi Signed-off-by: Stanislav Fomichev --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 24 ++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethern= et/broadcom/bnxt/bnxt.c index 225217b32e4b..ce430690efb5 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -11039,7 +11039,8 @@ static int bnxt_setup_nitroa0_vnic(struct bnxt *bp) return rc; } =20 -static int bnxt_cfg_rx_mode(struct bnxt *); +static int bnxt_cfg_rx_mode(struct bnxt *, struct netdev_hw_addr_list *, + struct netdev_hw_addr_list *); static bool bnxt_mc_list_updated(struct bnxt *, u32 *, const struct netdev_hw_addr_list *); =20 @@ -11135,7 +11136,7 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq= _re_init) vnic->rx_mask |=3D mask; } =20 - rc =3D bnxt_cfg_rx_mode(bp); + rc =3D bnxt_cfg_rx_mode(bp, &bp->dev->uc, &bp->dev->mc); if (rc) goto err_out; =20 @@ -13610,11 +13611,12 @@ static void bnxt_set_rx_mode(struct net_device *d= ev, if (mask !=3D vnic->rx_mask || uc_update || mc_update) { vnic->rx_mask =3D mask; =20 - bnxt_queue_sp_work(bp, BNXT_RX_MASK_SP_EVENT); + bnxt_cfg_rx_mode(bp, uc, mc); } } =20 -static int bnxt_cfg_rx_mode(struct bnxt *bp) +static int bnxt_cfg_rx_mode(struct bnxt *bp, struct netdev_hw_addr_list *u= c, + struct netdev_hw_addr_list *mc) { struct net_device *dev =3D bp->dev; struct bnxt_vnic_info *vnic =3D &bp->vnic_info[BNXT_VNIC_DEFAULT]; @@ -13623,7 +13625,7 @@ static int bnxt_cfg_rx_mode(struct bnxt *bp) bool uc_update; =20 netif_addr_lock_bh(dev); - uc_update =3D bnxt_uc_list_updated(bp, &dev->uc); + uc_update =3D bnxt_uc_list_updated(bp, uc); netif_addr_unlock_bh(dev); =20 if (!uc_update) @@ -13642,7 +13644,7 @@ static int bnxt_cfg_rx_mode(struct bnxt *bp) if (netdev_uc_count(dev) > (BNXT_MAX_UC_ADDRS - 1)) { vnic->rx_mask |=3D CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS; } else { - netdev_for_each_uc_addr(ha, dev) { + netdev_hw_addr_list_for_each(ha, uc) { memcpy(vnic->uc_list + off, ha->addr, ETH_ALEN); off +=3D ETH_ALEN; vnic->uc_filter_count++; @@ -14600,6 +14602,7 @@ static void bnxt_ulp_restart(struct bnxt *bp) static void bnxt_sp_task(struct work_struct *work) { struct bnxt *bp =3D container_of(work, struct bnxt, sp_task); + struct net_device *dev =3D bp->dev; =20 set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); smp_mb__after_atomic(); @@ -14613,9 +14616,6 @@ static void bnxt_sp_task(struct work_struct *work) bnxt_reenable_sriov(bp); } =20 - if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event)) - bnxt_cfg_rx_mode(bp); - if (test_and_clear_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event)) bnxt_cfg_ntp_filters(bp); if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event)) @@ -14680,6 +14680,12 @@ static void bnxt_sp_task(struct work_struct *work) /* These functions below will clear BNXT_STATE_IN_SP_TASK. They * must be the last functions to be called before exiting. */ + if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event)) { + bnxt_lock_sp(bp); + bnxt_cfg_rx_mode(bp, &dev->uc, &dev->mc); + bnxt_unlock_sp(bp); + } + if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) bnxt_reset(bp, false); =20 --=20 2.53.0