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| author |   Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-09-11 04:06:57 +0300 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2022-09-20 10:32:35 +0200 |
| commit | db01868bf2e919a10551066d54cf4bef5dd5a01e (patch) | |
| tree | 3ed696046a184f780804245f7116762b0cb607f5 /include/linux/netdevice.h | |
| parent | Merge branch 'ice-l2tpv3-offload-support' (diff) | |
| download | linux-dev-db01868bf2e919a10551066d54cf4bef5dd5a01e.tar.xz linux-dev-db01868bf2e919a10551066d54cf4bef5dd5a01e.zip | |
net: introduce iterators over synced hw addresses
Some network drivers use __dev_mc_sync()/__dev_uc_sync() and therefore
program the hardware only with addresses with a non-zero sync_cnt.
Some of the above drivers also need to save/restore the address
filtering lists when certain events happen, and they need to walk
through the struct net_device :: uc and struct net_device :: mc lists.
But these lists contain unsynced addresses too.
To keep the appearance of an elementary form of data encapsulation,
provide iterators through these lists that only look at entries with a
non-zero sync_cnt, instead of filtering entries out from device drivers.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f0068c1ff1df..9f42fc871c3b 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -253,11 +253,17 @@ struct netdev_hw_addr_list { #define netdev_uc_empty(dev) netdev_hw_addr_list_empty(&(dev)->uc) #define netdev_for_each_uc_addr(ha, dev) \ netdev_hw_addr_list_for_each(ha, &(dev)->uc) +#define netdev_for_each_synced_uc_addr(_ha, _dev) \ + netdev_for_each_uc_addr((_ha), (_dev)) \ + if ((_ha)->sync_cnt) #define netdev_mc_count(dev) netdev_hw_addr_list_count(&(dev)->mc) #define netdev_mc_empty(dev) netdev_hw_addr_list_empty(&(dev)->mc) #define netdev_for_each_mc_addr(ha, dev) \ netdev_hw_addr_list_for_each(ha, &(dev)->mc) +#define netdev_for_each_synced_mc_addr(_ha, _dev) \ + netdev_for_each_mc_addr((_ha), (_dev)) \ + if ((_ha)->sync_cnt) struct hh_cache { unsigned int hh_len; |