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Thu, 1 Dec 2016 23:45:01 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uB27j0Mn005877; Fri, 2 Dec 2016 07:45:00 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uB27ixwm026628; Fri, 2 Dec 2016 07:45:00 GMT From: Andrew Rybchenko To: CC: Ivan Malov Date: Fri, 2 Dec 2016 07:44:31 +0000 Message-ID: <1480664691-26561-12-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1480664691-26561-1-git-send-email-arybchenko@solarflare.com> References: <1480664691-26561-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-AnalysisOut: [v=2.1 cv=NIXTjhOg c=1 sm=1 tr=0 a=8BlWFWvVlq5taO8ncb8nKg==] X-AnalysisOut: [:17 a=n5n_aSjo0skA:10 a=pK7X0mNQAAAA:8 a=zRKbQ67AAAAA:8 a=] X-AnalysisOut: [GXR-bymMMbl77G2L-qYA:9 a=2MRiWaFrdgDPXQye:21 a=0Xb5YhGTEDq] X-AnalysisOut: [FOMD6:21 a=5HA-qpC1VU4iIGLgRoNS:22 a=PA03WX8tBzeizutn5_OT:] X-AnalysisOut: [22] X-Spam: [F=0.2000000000; CM=0.500; S=0.200(2015072901)] X-MAIL-FROM: X-SOURCE-IP: [12.187.104.26] Subject: [dpdk-dev] [PATCH 11/31] net/sfc: support main (the first) MAC address change X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Dec 2016 07:45:15 -0000 From: Ivan Malov Reviewed-by: Andrew Lee Reviewed-by: Robert Stonehouse Signed-off-by: Ivan Malov Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/sfc_ethdev.c | 53 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c index c6095ad..79e2761 100644 --- a/drivers/net/sfc/sfc_ethdev.c +++ b/drivers/net/sfc/sfc_ethdev.c @@ -706,6 +706,58 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) SFC_ASSERT(rc > 0); return -rc; } +static void +sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) +{ + struct sfc_adapter *sa = dev->data->dev_private; + const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); + int rc; + + sfc_adapter_lock(sa); + + if (sa->state != SFC_ADAPTER_STARTED) { + sfc_info(sa, "the port is not started"); + sfc_info(sa, "the new MAC address will be set on port start"); + + goto unlock; + } + + if (encp->enc_allow_set_mac_with_installed_filters) { + rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); + if (rc != 0) { + sfc_err(sa, "cannot set MAC address (rc = %u)", rc); + goto unlock; + } + + /* + * Changing the MAC address by means of MCDI request + * has no effect on received traffic, therefore + * we also need to update unicast filters + */ + rc = sfc_set_rx_mode(sa); + if (rc != 0) + sfc_err(sa, "cannot set filter (rc = %u)", rc); + } else { + sfc_warn(sa, "cannot set MAC address with filters installed"); + sfc_warn(sa, "adapter will be restarted to pick the new MAC"); + sfc_warn(sa, "(some traffic may be dropped)"); + + /* + * Since setting MAC address with filters installed is not + * allowed on the adapter, one needs to simply restart adapter + * so that the new MAC address will be taken from an outer + * storage and set flawlessly by means of sfc_start() call + */ + sfc_stop(sa); + rc = sfc_start(sa); + if (rc != 0) + sfc_err(sa, "cannot restart adapter (rc = %u)", rc); + } + +unlock: + sfc_adapter_unlock(sa); +} + static const struct eth_dev_ops sfc_eth_dev_ops = { .dev_configure = sfc_dev_configure, @@ -730,6 +782,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = { .tx_queue_release = sfc_tx_queue_release, .flow_ctrl_get = sfc_flow_ctrl_get, .flow_ctrl_set = sfc_flow_ctrl_set, + .mac_addr_set = sfc_mac_addr_set, }; static int -- 2.5.5