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| author |   Varka Bhadram <varkabhadram@gmail.com> | 2015-06-04 13:07:36 +0530 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2015-06-04 12:27:15 +0200 |
| commit | 133be0264f28e59d772c6a259349ba3ee2b183b3 (patch) | |
| tree | 178bb448c1bd95504615cf0a6cd44904bb4ef398 | |
| parent | ieee802154: Fix sockaddr_ieee802154 implicit padding information leak. (diff) | |
| download | linux-dev-133be0264f28e59d772c6a259349ba3ee2b183b3.tar.xz linux-dev-133be0264f28e59d772c6a259349ba3ee2b183b3.zip | |
nl802154: export supported commands
This patch will export the supported commands by the devices
to the userspace. This will be useful to check if HardMAC
drivers can support a specific command or not.
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/net/nl802154.h | 2 | ||||
| -rw-r--r-- | net/ieee802154/nl802154.c | 40 |
2 files changed, 42 insertions, 0 deletions
diff --git a/include/net/nl802154.h b/include/net/nl802154.h index 0badebd1de7f..6fc231e60920 100644 --- a/include/net/nl802154.h +++ b/include/net/nl802154.h @@ -102,6 +102,8 @@ enum nl802154_attrs { NL802154_ATTR_WPAN_PHY_CAPS, + NL802154_ATTR_SUPPORTED_COMMANDS, + /* add attributes here, update the policy in nl802154.c */ __NL802154_ATTR_AFTER_LAST, diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 7dbb1f4ce7df..68f24016860c 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -228,6 +228,8 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, }, [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED }, + + [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED }, }; /* message building helper */ @@ -372,7 +374,9 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, struct sk_buff *msg, u32 portid, u32 seq, int flags) { + struct nlattr *nl_cmds; void *hdr; + int i; hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) @@ -431,6 +435,42 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, if (nl802154_put_capabilities(msg, rdev)) goto nla_put_failure; + nl_cmds = nla_nest_start(msg, NL802154_ATTR_SUPPORTED_COMMANDS); + if (!nl_cmds) + goto nla_put_failure; + + i = 0; +#define CMD(op, n) \ + do { \ + if (rdev->ops->op) { \ + i++; \ + if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \ + goto nla_put_failure; \ + } \ + } while (0) + + CMD(add_virtual_intf, NEW_INTERFACE); + CMD(del_virtual_intf, DEL_INTERFACE); + CMD(set_channel, SET_CHANNEL); + CMD(set_pan_id, SET_PAN_ID); + CMD(set_short_addr, SET_SHORT_ADDR); + CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT); + CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS); + CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES); + CMD(set_lbt_mode, SET_LBT_MODE); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) + CMD(set_tx_power, SET_TX_POWER); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) + CMD(set_cca_ed_level, SET_CCA_ED_LEVEL); + + if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) + CMD(set_cca_mode, SET_CCA_MODE); + +#undef CMD + nla_nest_end(msg, nl_cmds); + finish: genlmsg_end(msg, hdr); return 0; |