File Revert-ethtool-Add-DMA-Coalescing-support.patch of Package ethtool

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File Revert-ethtool-Add-DMA-Coalescing-support.patch of Package ethtool (Revision 3c0a8365b758c28337bf1b796b1b2fa3)

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From: Scott Branden <scott.branden@broadcom.com>
Date: Tue, 12 Dec 2017 12:20:01 -0800
Subject: Revert "ethtool: Add DMA Coalescing support"
Patch-mainline: v4.15
Git-commit: c0b078ce7e888a258b87f4a6dcf0fed5bbafb07a
References: none

This reverts commit 5dd7bfbc5079cb375876e4e76191263fc28ae1a6.

As Stephen Hemminger mentioned
there is an ABI compatibility issue with this patch:

https://patchwork.ozlabs.org/patch/806049/#1757846
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Michal Kubecek <mkubecek@suse.cz>

---
 ethtool-copy.h | 2 --
 ethtool.8.in   | 1 -
 ethtool.c      | 8 +-------
 3 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/ethtool-copy.h b/ethtool-copy.h
index 4bb91ebde058..06fc04c73079 100644
--- a/ethtool-copy.h
+++ b/ethtool-copy.h
@@ -400,7 +400,6 @@ struct ethtool_modinfo {
  *	a TX interrupt, when the packet rate is above @pkt_rate_high.
  * @rate_sample_interval: How often to do adaptive coalescing packet rate
  *	sampling, measured in seconds.  Must not be zero.
- * @dmac: How many usecs to store packets before moving to host memory.
  *
  * Each pair of (usecs, max_frames) fields specifies that interrupts
  * should be coalesced until
@@ -451,7 +450,6 @@ struct ethtool_coalesce {
 	__u32	tx_coalesce_usecs_high;
 	__u32	tx_max_coalesced_frames_high;
 	__u32	rate_sample_interval;
-	__u32	dmac;
 };
 
 /**
diff --git a/ethtool.8.in b/ethtool.8.in
index 76f86e6b6827..e66674f66c55 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -165,7 +165,6 @@ ethtool \- query or control network driver and hardware settings
 .BN tx\-usecs\-high
 .BN tx\-frames\-high
 .BN sample\-interval
-.BN dmac
 .HP
 .B ethtool \-g|\-\-show\-ring
 .I devname
diff --git a/ethtool.c b/ethtool.c
index e7a479add307..0b17dc62b931 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -1337,7 +1337,6 @@ static int dump_coalesce(const struct ethtool_coalesce *ecoal)
 		"sample-interval: %u\n"
 		"pkt-rate-low: %u\n"
 		"pkt-rate-high: %u\n"
-		"dmac: %u\n"
 		"\n"
 		"rx-usecs: %u\n"
 		"rx-frames: %u\n"
@@ -1363,7 +1362,6 @@ static int dump_coalesce(const struct ethtool_coalesce *ecoal)
 		ecoal->rate_sample_interval,
 		ecoal->pkt_rate_low,
 		ecoal->pkt_rate_high,
-		ecoal->dmac,
 
 		ecoal->rx_coalesce_usecs,
 		ecoal->rx_max_coalesced_frames,
@@ -2071,7 +2069,6 @@ static int do_scoalesce(struct cmd_context *ctx)
 	int coal_adaptive_rx_wanted = -1;
 	int coal_adaptive_tx_wanted = -1;
 	s32 coal_sample_rate_wanted = -1;
-	s32 coal_dmac_wanted = -1;
 	s32 coal_pkt_rate_low_wanted = -1;
 	s32 coal_pkt_rate_high_wanted = -1;
 	s32 coal_rx_usec_wanted = -1;
@@ -2097,8 +2094,6 @@ static int do_scoalesce(struct cmd_context *ctx)
 		  &ecoal.use_adaptive_tx_coalesce },
 		{ "sample-interval", CMDL_S32, &coal_sample_rate_wanted,
 		  &ecoal.rate_sample_interval },
-		{ "dmac", CMDL_S32, &coal_dmac_wanted,
-		  &ecoal.dmac },
 		{ "stats-block-usecs", CMDL_S32, &coal_stats_wanted,
 		  &ecoal.stats_block_coalesce_usecs },
 		{ "pkt-rate-low", CMDL_S32, &coal_pkt_rate_low_wanted,
@@ -4797,8 +4792,7 @@ static const struct option {
 	  "		[rx-frames-high N]\n"
 	  "		[tx-usecs-high N]\n"
 	  "		[tx-frames-high N]\n"
-	  "		[sample-interval N]\n"
-	  "		[dmac N]\n" },
+	  "		[sample-interval N]\n" },
 	{ "-g|--show-ring", 1, do_gring, "Query RX/TX ring parameters" },
 	{ "-G|--set-ring", 1, do_sring, "Set RX/TX ring parameters",
 	  "		[ rx N ]\n"
-- 
2.19.1

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File Revert-ethtool-Add-DMA-Coalescing-support.patch of Package ethtool (Revision 3c0a8365b758c28337bf1b796b1b2fa3)

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