Suresh Reddy c1b3bdb2ff be2net: gather debug info and reset adapter (only for Lancer) on a tx-timeout ... This patch handles a TX-timeout as follows: 1) This patch gathers and prints the following info that can help in diagnosing the cause of a TX-timeout. a) TX queue and completion queue entries. b) SKB and TCP/UDP header details. 2) For Lancer NICs (TX-timeout recovery is not supported for BE3/Skyhawk-R NICs), it recovers from the TX timeout as follows: a) On a TX-timeout, driver sets the PHYSDEV_CONTROL_FW_RESET_MASK bit in the PHYSDEV_CONTROL register. Lancer firmware goes into an error state and indicates this back to the driver via a bit in a doorbell register. b) Driver detects this and calls be_err_recover(). DMA is disabled, all pending TX skbs are unmapped and freed (be_close()). All rings are destroyed (be_clear()). c) The driver waits for the FW to re-initialize and re-creates all rings along with other data structs (be_resume()) Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-08-01 09:39:09 -07:00
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benet	be2net: gather debug info and reset adapter (only for Lancer) on a tx-timeout	2018-08-01 09:39:09 -07:00
Kconfig	drivers/net: remove all references to obsolete Ethernet-HOWTO	2015-06-23 06:50:35 -07:00
Makefile