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Commit 4c1a5c14 authored by Subash Abhinov Kasiviswanathan's avatar Subash Abhinov Kasiviswanathan Committed by Gerrit - the friendly Code Review server
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net: qualcomm: rmnet: Add stat for TX csum offloaded packet 



This stat keeps count of packets in transmit path whose checksum
will be computed in hardware.

Sample output-

:/ # ethtool -S rmnet_data0 | grep hardware
     Checksum computed in hardware: 1200720

CRs-Fixed: 2341450
Change-Id: Ie7c45371d1ecb698e4182fca941ce880afe789c5
Signed-off-by: default avatarSubash Abhinov Kasiviswanathan <subashab@codeaurora.org>
parent 90ed92ec

drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ struct rmnet_priv_stats { 
	u64 csum_fragmented_pkt;

	u64 csum_skipped;

	u64 csum_sw;

	u64 csum_hw;

};



struct rmnet_priv {

drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c

+2 −0
Original line number Diff line number Diff line
@@ -423,10 +423,12 @@ void rmnet_map_checksum_uplink_packet(struct sk_buff *skb, 


		if (skb->protocol == htons(ETH_P_IP)) {

			rmnet_map_ipv4_ul_csum_header(iphdr, ul_header, skb);

			priv->stats.csum_hw++;

			return;

		} else if (skb->protocol == htons(ETH_P_IPV6)) {

#if IS_ENABLED(CONFIG_IPV6)

			rmnet_map_ipv6_ul_csum_header(iphdr, ul_header, skb);

			priv->stats.csum_hw++;

			return;

#else

			priv->stats.csum_err_invalid_ip_version++;

drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c

+1 −0
Original line number Diff line number Diff line
@@ -187,6 +187,7 @@ static const char rmnet_gstrings_stats[][ETH_GSTRING_LEN] = { 
	"Checksum skipped on ip fragment",

	"Checksum skipped",

	"Checksum computed in software",

	"Checksum computed in hardware",

};



static const char rmnet_port_gstrings_stats[][ETH_GSTRING_LEN] = {