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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-04-28 01:01:33 +0300
committerDavid S. Miller <davem@davemloft.net>2020-04-29 00:39:46 +0300
commit28d23311ff35ac97ff20608f47c84c95d6389c33 (patch)
tree1abfa14b77919155db21f2c905f9d615ff6a8eed /Documentation
parent9dfe1361261be48c92fd7cb26909cbcd5d496220 (diff)
downloadlinux-28d23311ff35ac97ff20608f47c84c95d6389c33.tar.xz
docs: networking: convert driver.txt to ReST
- add SPDX header; - add a document title; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/driver.rst (renamed from Documentation/networking/driver.txt)22
-rw-r--r--Documentation/networking/index.rst1
2 files changed, 14 insertions, 9 deletions
diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.rst
index da59e2884130..c8f59dbda46f 100644
--- a/Documentation/networking/driver.txt
+++ b/Documentation/networking/driver.rst
@@ -1,4 +1,8 @@
-Document about softnet driver issues
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+Softnet Driver Issues
+=====================
Transmit path guidelines:
@@ -8,7 +12,7 @@ Transmit path guidelines:
transmit function will become busy.
Instead it must maintain the queue properly. For example,
- for a driver implementing scatter-gather this means:
+ for a driver implementing scatter-gather this means::
static netdev_tx_t drv_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -38,25 +42,25 @@ Transmit path guidelines:
return NETDEV_TX_OK;
}
- And then at the end of your TX reclamation event handling:
+ And then at the end of your TX reclamation event handling::
if (netif_queue_stopped(dp->dev) &&
- TX_BUFFS_AVAIL(dp) > (MAX_SKB_FRAGS + 1))
+ TX_BUFFS_AVAIL(dp) > (MAX_SKB_FRAGS + 1))
netif_wake_queue(dp->dev);
- For a non-scatter-gather supporting card, the three tests simply become:
+ For a non-scatter-gather supporting card, the three tests simply become::
/* This is a hard error log it. */
if (TX_BUFFS_AVAIL(dp) <= 0)
- and:
+ and::
if (TX_BUFFS_AVAIL(dp) == 0)
- and:
+ and::
if (netif_queue_stopped(dp->dev) &&
- TX_BUFFS_AVAIL(dp) > 0)
+ TX_BUFFS_AVAIL(dp) > 0)
netif_wake_queue(dp->dev);
2) An ndo_start_xmit method must not modify the shared parts of a
@@ -86,7 +90,7 @@ Close/stop guidelines:
1) After the ndo_stop routine has been called, the hardware must
not receive or transmit any data. All in flight packets must
- be aborted. If necessary, poll or wait for completion of
+ be aborted. If necessary, poll or wait for completion of
any reset commands.
2) The ndo_stop routine will be called by unregister_netdevice
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index 55746038a7e9..313f66900bce 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -53,6 +53,7 @@ Contents:
decnet
defza
dns_resolver
+ driver
.. only:: subproject and html