Fix booting pentium+ with dodgy TSC

[linux-2.6-omap-h63xx.git] / Documentation / networking / driver.txt

diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt
index a9ad58b49cc5459c82789bce189d9af51f77344e..ea72d2e66ca81a62fa493b695ed0e5cf94fc92a4 100644 (file)
--- a/Documentation/networking/driver.txt
+++ b/Documentation/networking/driver.txt
@@ -37,7 +37,7 @@ Transmit path guidelines:
                ...
        }
 
                ...
        }
 

-   And then at the end of your TX reclaimation 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))
 
        if (netif_queue_stopped(dp->dev) &&
             TX_BUFFS_AVAIL(dp) > (MAX_SKB_FRAGS + 1))


@@ -61,7 +61,10 @@ Transmit path guidelines:
 2) Do not forget to update netdev->trans_start to jiffies after
    each new tx packet is given to the hardware.
 
 2) Do not forget to update netdev->trans_start to jiffies after
    each new tx packet is given to the hardware.
 

-3) Do not forget that once you return 0 from your hard_start_xmit
+3) A hard_start_xmit method must not modify the shared parts of a
+   cloned SKB.
+
+4) Do not forget that once you return 0 from your hard_start_xmit

    method, it is your driver's responsibility to free up the SKB
    and in some finite amount of time.
 
    method, it is your driver's responsibility to free up the SKB
    and in some finite amount of time.