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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2015-11-22 18:16:42 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2015-11-24 00:06:43 +0100 |
| commit | 50ad56a5154a159f316fab54563bc3852e6f7ce7 (patch) | |
| tree | 2613dcaaad2685fc5c5d22ccec4d7a48a4fe45ae | |
| parent | c7367f27831ba247b8b5cfb89fac690c1fdd476a (diff) | |
header: add netif_tx_napi_add()
Older kernel versions do not support to only set NAPI for TX queues, so
call the normal NAPI function and do it also for the used RX part.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
| -rw-r--r-- | backport/backport-include/linux/netdevice.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/backport/backport-include/linux/netdevice.h b/backport/backport-include/linux/netdevice.h index 86d5ea75..bbe17a12 100644 --- a/backport/backport-include/linux/netdevice.h +++ b/backport/backport-include/linux/netdevice.h @@ -300,4 +300,26 @@ static inline void napi_complete_done(struct napi_struct *n, int work_done) } #endif /* < 3.19 */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0) +#define netif_tx_napi_add LINUX_BACKPORT(netif_tx_napi_add) +/** + * netif_tx_napi_add - initialize a napi context + * @dev: network device + * @napi: napi context + * @poll: polling function + * @weight: default weight + * + * This variant of netif_napi_add() should be used from drivers using NAPI + * to exclusively poll a TX queue. + * This will avoid we add it into napi_hash[], thus polluting this hash table. + */ +static inline void netif_tx_napi_add(struct net_device *dev, + struct napi_struct *napi, + int (*poll)(struct napi_struct *, int), + int weight) +{ + netif_napi_add(dev, napi, poll, weight); +} +#endif /* < 4.4 */ + #endif /* __BACKPORT_NETDEVICE_H */ |