From: Govindarajulu Varadarajan <_govind@gmx.com>
To: ben@decadent.org.uk
Cc: netdev@vger.kernel.org, ssujith@cisco.com,
Govindarajulu Varadarajan <_govind@gmx.com>
Subject: [PATCH ethtool 2/3] ethtool: Add rx_copybreak support
Date: Sat, 13 Sep 2014 15:26:46 +0530 [thread overview]
Message-ID: <1410602207-9084-3-git-send-email-_govind@gmx.com> (raw)
In-Reply-To: <1410602207-9084-1-git-send-email-_govind@gmx.com>
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
---
ethtool.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/ethtool.c b/ethtool.c
index 19b8b0c..09fdc95 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -1668,6 +1668,57 @@ static int do_spause(struct cmd_context *ctx)
return 0;
}
+static int do_srx_copybreak(struct cmd_context *ctx)
+{
+ struct ethtool_tunable *etuna;
+ int ret;
+ __u32 *rx;
+
+ if (ctx->argc != 1)
+ exit_bad_args();
+ etuna = malloc(sizeof(*etuna) + sizeof(__u32));
+ if (!etuna)
+ return 1;
+ rx = (void *)etuna + sizeof(*etuna);
+ *rx = get_u32(ctx->argp[0], 0);
+ etuna->cmd = ETHTOOL_STUNABLE;
+ etuna->id = ETHTOOL_RX_COPYBREAK;
+ etuna->type_id = ETHTOOL_TUNABLE_U32;
+ etuna->len = sizeof(__u32);
+ ret = send_ioctl(ctx, etuna);
+ if (ret)
+ perror("Cannot set rx_copybreak");
+
+ free(etuna);
+ return ret;
+}
+
+static int do_grx_copybreak(struct cmd_context *ctx)
+{
+ struct ethtool_tunable *etuna;
+ int ret;
+ __u32 *rx_copybreak;
+
+ if (ctx->argc != 0)
+ exit_bad_args();
+ etuna = malloc(sizeof(*etuna) + sizeof(__u32));
+ if (!etuna)
+ return 1;
+ etuna->cmd = ETHTOOL_GTUNABLE;
+ etuna->id = ETHTOOL_RX_COPYBREAK;
+ etuna->type_id = ETHTOOL_TUNABLE_U32;
+ etuna->len = sizeof(__u32);
+ ret = send_ioctl(ctx, etuna);
+ rx_copybreak = (void *)etuna + sizeof(*etuna);
+ if (ret)
+ perror("Cannot get rx_copybreak");
+ else
+ fprintf(stdout, "rx_copybreak : %u\n", *rx_copybreak);
+
+ free(etuna);
+ return ret;
+}
+
static int do_sring(struct cmd_context *ctx)
{
struct ethtool_ringparam ering;
@@ -3787,6 +3838,9 @@ static const struct option {
" [ rx-mini N ]\n"
" [ rx-jumbo N ]\n"
" [ tx N ]\n" },
+ { "-b|--show-rx_copybreak", 1, do_grx_copybreak, "Show rx_copybreak value" },
+ { "-B|--set-rx_copybreak", 1, do_srx_copybreak, "Set rx_copybreak value",
+ " N\n" },
{ "-k|--show-features|--show-offload", 1, do_gfeatures,
"Get state of protocol offload and other features" },
{ "-K|--features|--offload", 1, do_sfeatures,
--
2.1.0
next prev parent reply other threads:[~2014-09-13 9:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-13 9:56 [PATCH ethtool 0/3] Add rx_copybreak support Govindarajulu Varadarajan
2014-09-13 9:56 ` [PATCH ethtool 1/3] ethtool-copy.h: sync with net-next-3.17.0-rc4 Govindarajulu Varadarajan
2014-09-13 9:56 ` Govindarajulu Varadarajan [this message]
2014-10-05 7:54 ` [PATCH ethtool 2/3] ethtool: Add rx_copybreak support Amir Vadai
2014-09-13 9:56 ` [PATCH ethtool 3/3] ethtool.8.in: Add man page for rx_copybreak Govindarajulu Varadarajan
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