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| author | Ravi Gunasekaran <r-gunasekaran@ti.com> | 2023-06-14 17:17:10 +0530 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-21 16:47:05 -0700 |
| commit | e748d0fd66abc4b1c136022e4e053004fce2b792 (patch) | |
| tree | 33db1aa25e4b38d758af8a1940a3467fc5a3730d /net/hsr | |
| parent | ff9b63c80b087bac495b337882a5880b130401c0 (diff) | |
| download | linux-e748d0fd66abc4b1c136022e4e053004fce2b792.tar.gz linux-e748d0fd66abc4b1c136022e4e053004fce2b792.tar.bz2 linux-e748d0fd66abc4b1c136022e4e053004fce2b792.zip | |
net: hsr: Disable promiscuous mode in offload mode
When port-to-port forwarding for interfaces in HSR node is enabled,
disable promiscuous mode since L2 frame forward happens at the
offloaded hardware.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230614114710.31400-1-r-gunasekaran@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/hsr')
| -rw-r--r-- | net/hsr/hsr_device.c | 5 | ||||
| -rw-r--r-- | net/hsr/hsr_main.h | 1 | ||||
| -rw-r--r-- | net/hsr/hsr_slave.c | 15 |
3 files changed, 17 insertions, 4 deletions
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index 5a236aae2366..306f942c3b28 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -531,6 +531,11 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2], if (res) goto err_add_master; + /* HSR forwarding offload supported in lower device? */ + if ((slave[0]->features & NETIF_F_HW_HSR_FWD) && + (slave[1]->features & NETIF_F_HW_HSR_FWD)) + hsr->fwd_offloaded = true; + res = register_netdevice(hsr_dev); if (res) goto err_unregister; diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h index 5584c80a5c79..6851e33df7d1 100644 --- a/net/hsr/hsr_main.h +++ b/net/hsr/hsr_main.h @@ -208,6 +208,7 @@ struct hsr_priv { u8 net_id; /* for PRP, it occupies most significant 3 bits * of lan_id */ + bool fwd_offloaded; /* Forwarding offloaded to HW */ unsigned char sup_multicast_addr[ETH_ALEN] __aligned(sizeof(u16)); /* Align to u16 boundary to avoid unaligned access * in ether_addr_equal diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c index b70e6bbf6021..e5742f2a2d52 100644 --- a/net/hsr/hsr_slave.c +++ b/net/hsr/hsr_slave.c @@ -131,9 +131,14 @@ static int hsr_portdev_setup(struct hsr_priv *hsr, struct net_device *dev, struct hsr_port *master; int res; - res = dev_set_promiscuity(dev, 1); - if (res) - return res; + /* Don't use promiscuous mode for offload since L2 frame forward + * happens at the offloaded hardware. + */ + if (!port->hsr->fwd_offloaded) { + res = dev_set_promiscuity(dev, 1); + if (res) + return res; + } master = hsr_port_get_hsr(hsr, HSR_PT_MASTER); hsr_dev = master->dev; @@ -152,7 +157,9 @@ static int hsr_portdev_setup(struct hsr_priv *hsr, struct net_device *dev, fail_rx_handler: netdev_upper_dev_unlink(dev, hsr_dev); fail_upper_dev_link: - dev_set_promiscuity(dev, -1); + if (!port->hsr->fwd_offloaded) + dev_set_promiscuity(dev, -1); + return res; } |