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2011-11-07forcedeth: fix a few sparse warnings (variable shadowing)david decotigny1-17/+17
This fixes the following sparse warnings: drivers/net/ethernet/nvidia/forcedeth.c:2113:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2102:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2155:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2102:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2227:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2215:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2271:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2215:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2986:20: warning: symbol 'addr' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2963:6: originally declared here Signed-off-by: David Decotigny <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-11-07forcedeth: Improve stats countersMandeep Baines1-0/+4
Rx byte count was off; instead use the hardware's count. Tx packet count was counting pre-TSO packets; instead count on-the-wire packets. Report hardware dropped frame count as rx_fifo_errors. - The count of transmitted packets reported by the forcedeth driver reports pre-TSO (TCP Segmentation Offload) packet counts and not the count of the number of packets sent on the wire. This change fixes the forcedeth driver to report the correct count. Fixed the code by copying the count stored in the NIC H/W to the value reported by the driver. - Count rx_drop_frame errors as rx_fifo_errors: We see a lot of rx_drop_frame errors if we disable the rx bottom-halves for too long. Normally, rx_fifo_errors would be counted in this case. The rx_drop_frame error count is private to forcedeth and is not reported by ifconfig or sysfs. The rx_fifo_errors count is currently unused in the forcedeth driver. It is reported by ifconfig as overruns. This change reports rx_drop_frame errors as rx_fifo_errors. Signed-off-by: David Decotigny <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-11-07forcedeth: remove unneeded stats updatesdavid decotigny1-34/+1
Function ndo_get_stats() updates most of the stats from hardware registers, making the manual updates un-needed. This change removes these manual updates. Main exception is rx_missed_errors which needs manual update. Another exception is rx_packets, still updated manually in this commit to make sure this patch doesn't change behavior of driver. This will be addressed by a future patch. Signed-off-by: David Decotigny <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-11-07forcedeth: Acknowledge only interrupts that are being processedMike Ditto1-5/+8
This is to avoid a race, accidentally acknowledging an interrupt that we didn't notice and won't immediately process. This is based solely on code inspection; it is not known if there was an actual bug here. Signed-off-by: David Decotigny <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-11-07forcedeth: fix race when unloading moduledavid decotigny1-1/+1
When forcedeth module is unloaded, there exists a path that can lead to mod_timer() after del_timer_sync(), causing an oops. This patch short-circuits this unneeded path, which originates in nv_get_ethtool_stats(). Tested: x86_64 16-way + 3 ethtool -S infinite loops + 100Mbps incoming traffic + rmmod/modprobe/ifconfig in a loop Initial-Author: Salman Qazi <[email protected]> Discussion: http://patchwork.ozlabs.org/patch/123548/ Signed-off-by: David Decotigny <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-10-19net: add skb frag size accessorsEric Dumazet1-7/+11
To ease skb->truesize sanitization, its better to be able to localize all references to skb frags size. Define accessors : skb_frag_size() to fetch frag size, and skb_frag_size_{set|add|sub}() to manipulate it. Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-10-07net: Remove unnecessary driver assignments of ethtool_ringparam fields to zeroRick Jones1-4/+0
Per comments from Ben Hutchings on a previous patch, sweep the floors a little removing unnecessary assignments of zero to fields of struct ethtool_ringparam in driver code supporting ethtool -g. Signed-off-by: Rick Jones <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-10-06net: use DMA_x_DEVICE and dma_mapping_error with skb_frag_dma_mapIan Campbell1-2/+2
When I converted some drivers from pci_map_page to skb_frag_dma_map I neglected to convert PCI_DMA_xDEVICE into DMA_x_DEVICE and pci_dma_mapping_error into dma_mapping_error. Signed-off-by: Ian Campbell <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-08-30forcedeth: convert to SKB paged frag API.Ian Campbell1-4/+10
Signed-off-by: Ian Campbell <[email protected]> Cc: [email protected] Signed-off-by: David S. Miller <[email protected]>
2011-08-27drivers/net/ethernet/*: Enabled vendor Kconfig optionsJeff Kirsher1-0/+1
Based on finds for Stephen Rothwell, where current defconfig's enable a ethernet driver and it is not compiled due to the newly added NET_VENDOR_* component of Kconfig. This patch enables all the "new" Kconfig options so that current defconfig's will continue to compile the expected drivers. In addition, by enabling all the new Kconfig options does not add any un-expected options. CC: Stephen Rothwll <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2011-08-20Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-1/+2
2011-08-17net: remove use of ndo_set_multicast_list in driversJiri Pirko1-2/+2
replace it by ndo_set_rx_mode Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-08-12forcedeth: Move the NVIDIA nForce driverJeff Kirsher3-0/+6048
Move the nForce driver into drivers/net/ethernet/nvidia/ and make the necessary Kconfig and Makefile changes. Signed-off-by: Jeff Kirsher <[email protected]>
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