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| author | Jakub Kicinski <kuba@kernel.org> | 2022-05-09 10:04:12 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-05-10 17:46:07 -0700 |
| commit | be76955dea93fe7ee9e0a6f961a7185290a2417f (patch) | |
| tree | a37789f9c19373e5e3f0057c2bf3e5c6a7aec75c /net/core | |
| parent | bca56ea6849fafcbc7d50b2338bd06385474a370 (diff) | |
| download | linux-be76955dea93fe7ee9e0a6f961a7185290a2417f.tar.gz linux-be76955dea93fe7ee9e0a6f961a7185290a2417f.tar.bz2 linux-be76955dea93fe7ee9e0a6f961a7185290a2417f.zip | |
net: fix kdoc on __dev_queue_xmit()
Commit c526fd8f9f4f21 ("net: inline dev_queue_xmit()") exported
__dev_queue_xmit(), now it's being rendered in html docs, triggering:
Documentation/networking/kapi:92: net/core/dev.c:4101: WARNING: Missing matching underline for section title overline.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/linux-next/20220503073420.6d3f135d@canb.auug.org.au/
Fixes: c526fd8f9f4f21 ("net: inline dev_queue_xmit()")
Link: https://lore.kernel.org/r/20220509170412.1069190-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index f036ccb61da4..186c6b07c60c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4131,30 +4131,25 @@ struct netdev_queue *netdev_core_pick_tx(struct net_device *dev, } /** - * __dev_queue_xmit - transmit a buffer - * @skb: buffer to transmit - * @sb_dev: suboordinate device used for L2 forwarding offload - * - * Queue a buffer for transmission to a network device. The caller must - * have set the device and priority and built the buffer before calling - * this function. The function can be called from an interrupt. + * __dev_queue_xmit() - transmit a buffer + * @skb: buffer to transmit + * @sb_dev: suboordinate device used for L2 forwarding offload * - * A negative errno code is returned on a failure. A success does not - * guarantee the frame will be transmitted as it may be dropped due - * to congestion or traffic shaping. + * Queue a buffer for transmission to a network device. The caller must + * have set the device and priority and built the buffer before calling + * this function. The function can be called from an interrupt. * - * ----------------------------------------------------------------------------------- - * I notice this method can also return errors from the queue disciplines, - * including NET_XMIT_DROP, which is a positive value. So, errors can also - * be positive. + * When calling this method, interrupts MUST be enabled. This is because + * the BH enable code must have IRQs enabled so that it will not deadlock. * - * Regardless of the return value, the skb is consumed, so it is currently - * difficult to retry a send to this method. (You can bump the ref count - * before sending to hold a reference for retry if you are careful.) + * Regardless of the return value, the skb is consumed, so it is currently + * difficult to retry a send to this method. (You can bump the ref count + * before sending to hold a reference for retry if you are careful.) * - * When calling this method, interrupts MUST be enabled. This is because - * the BH enable code must have IRQs enabled so that it will not deadlock. - * --BLG + * Return: + * * 0 - buffer successfully transmitted + * * positive qdisc return code - NET_XMIT_DROP etc. + * * negative errno - other errors */ int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) { |