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mac: add handling for ackreq default handling

PATCH In review Alexander Aring 2 participants 3 messages Aug 5, 2015 – Aug 12, 2015 IEEE 802.15.4

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Alexander Aring

author maintainer
#0 lore raw

PATCH 1/1 mac: add handling for ackreq default handling

This patch adds support to change the ack request default handling, which indicates the default behaviour for the acknowledge request bit of 802.15.4 frames.

---
 src/interface.c |  2 ++
 src/mac.c       | 28 ++++++++++++++++++++++++++++
 src/nl802154.h  |  4 ++++
 3 files changed, 34 insertions(+)
src/interface.c +2 -0
index 647247b..85d40a8 100644
@@ -223,6 +223,8 @@ static int print_iface_handler(struct nl_msg *msg, void *arg)
 		printf("%s\tmax_csma_backoffs %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_MAX_CSMA_BACKOFFS]));
 	if (tb_msg[NL802154_ATTR_LBT_MODE])
 		printf("%s\tlbt %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_LBT_MODE]));
+	if (tb_msg[NL802154_ATTR_ACKREQ_DEFAULT])
+		printf("%s\tackreq_default %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_ACKREQ_DEFAULT]));
 
 	return NL_SKIP;
 }
src/mac.c +28 -0
index 703d09f..76db58f 100644
@@ -185,3 +185,31 @@ nla_put_failure:
 }
 COMMAND(set, lbt, "<1|0>",
 	NL802154_CMD_SET_LBT_MODE, 0, CIB_NETDEV, handle_lbt_mode, NULL);
+
+static int handle_ackreq_default(struct nl802154_state *state,
+				 struct nl_cb *cb,
+				 struct nl_msg *msg,
+				 int argc, char **argv,
+				 enum id_input id)
+{
+	unsigned long ackreq;
+	char *end;
+
+	if (argc < 1)
+		return 1;
+
+	/* ACKREQ_DEFAULT */
+	ackreq = strtoul(argv[0], &end, 0);
+	if (*end != '\0')
+		return 1;
+
+	NLA_PUT_U8(msg, NL802154_ATTR_ACKREQ_DEFAULT, ackreq);
+
+	return 0;
+
+nla_put_failure:
+	return -ENOBUFS;
+}
+COMMAND(set, ackreq_default, "<1|0>",
+	NL802154_CMD_SET_ACKREQ_DEFAULT, 0, CIB_NETDEV, handle_ackreq_default,
+	NULL);
src/nl802154.h +4 -0
index b0ab530..cf2713d 100644
@@ -52,6 +52,8 @@ enum nl802154_commands {
 
 	NL802154_CMD_SET_LBT_MODE,
 
+	NL802154_CMD_SET_ACKREQ_DEFAULT,
+
 	/* add new commands above here */
 
 	/* used to define NL802154_CMD_MAX below */
@@ -104,6 +106,8 @@ enum nl802154_attrs {
 
 	NL802154_ATTR_SUPPORTED_COMMANDS,
 
+	NL802154_ATTR_ACKREQ_DEFAULT,
+
 	/* add attributes here, update the policy in nl802154.c */
 
 	__NL802154_ATTR_AFTER_LAST,
Signature · 1 line
2.5.0
Reviewed-by on v1 1/1
#1 lore raw

Hello.

Quoted 74 lines · Alexander Aring

This patch adds support to change the ack request default handling, which indicates the default behaviour for the acknowledge request bit of 802.15.4 frames.

---
  src/interface.c |  2 ++
  src/mac.c       | 28 ++++++++++++++++++++++++++++
  src/nl802154.h  |  4 ++++
  3 files changed, 34 insertions(+)
src/interface.c +2 -0
index 647247b..85d40a8 100644
@@ -223,6 +223,8 @@ static int print_iface_handler(struct nl_msg *msg, void *arg)
  		printf("%s\tmax_csma_backoffs %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_MAX_CSMA_BACKOFFS]));
  	if (tb_msg[NL802154_ATTR_LBT_MODE])
  		printf("%s\tlbt %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_LBT_MODE]));
+	if (tb_msg[NL802154_ATTR_ACKREQ_DEFAULT])
+		printf("%s\tackreq_default %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_ACKREQ_DEFAULT]));
 
  	return NL_SKIP;
  }
src/mac.c +28 -0
index 703d09f..76db58f 100644
@@ -185,3 +185,31 @@ nla_put_failure:
  }
  COMMAND(set, lbt, "<1|0>",
  	NL802154_CMD_SET_LBT_MODE, 0, CIB_NETDEV, handle_lbt_mode, NULL);
+
+static int handle_ackreq_default(struct nl802154_state *state,
+				 struct nl_cb *cb,
+				 struct nl_msg *msg,
+				 int argc, char **argv,
+				 enum id_input id)
+{
+	unsigned long ackreq;
+	char *end;
+
+	if (argc < 1)
+		return 1;
+
+	/* ACKREQ_DEFAULT */
+	ackreq = strtoul(argv[0], &end, 0);
+	if (*end != '\0')
+		return 1;
+
+	NLA_PUT_U8(msg, NL802154_ATTR_ACKREQ_DEFAULT, ackreq);
+
+	return 0;
+
+nla_put_failure:
+	return -ENOBUFS;
+}
+COMMAND(set, ackreq_default, "<1|0>",
+	NL802154_CMD_SET_ACKREQ_DEFAULT, 0, CIB_NETDEV, handle_ackreq_default,
+	NULL);
src/nl802154.h +2 -0
index b0ab530..cf2713d 100644
@@ -52,6 +52,8 @@ enum nl802154_commands {
 
  	NL802154_CMD_SET_LBT_MODE,
 
+	NL802154_CMD_SET_ACKREQ_DEFAULT,
+
  	/* add new commands above here */
 
  	/* used to define NL802154_CMD_MAX below */

src/nl802154.h enum nl802154_attrs { · line 113

Quoted 8 lines
src/nl802154.h +2 -0
@@ -104,6 +106,8 @@ enum nl802154_attrs {
 
  	NL802154_ATTR_SUPPORTED_COMMANDS,
 
+	NL802154_ATTR_ACKREQ_DEFAULT,
+
  	/* add attributes here, update the policy in nl802154.c */
 
  	__NL802154_ATTR_AFTER_LAST,

Tested this against the kernel patches.

regards
Stefan Schmidt

author maintainer
#2 lore raw
In reply to Alexander Aring

I added this change to this patch:

src/info.c +1 -0
index fd75fa0..e00ed3e 100644
@@ -212,6 +212,7 @@ static const char *commands[NL802154_CMD_MAX + 1] = {
        [NL802154_CMD_SET_BACKOFF_EXPONENT] = "set_backoff_exponent",
        [NL802154_CMD_SET_MAX_CSMA_BACKOFFS] = "set_max_csma_backoffs",
        [NL802154_CMD_SET_LBT_MODE] = "set_lbt_mode",
+       [NL802154_CMD_SET_ACKREQ_DEFAULT] = "set_ackreq_default",
 };
 
 static char cmdbuf[100];

For dumping that we will support "set_ackreq_default" which all current SoftMAC transceivers supports.

- Alex