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>
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@ -102,6 +102,8 @@ enum nl802154_attrs {
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NL802154_ATTR_WPAN_PHY_CAPS,
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NL802154_ATTR_SUPPORTED_COMMANDS,
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/* add attributes here, update the policy in nl802154.c */
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__NL802154_ATTR_AFTER_LAST,
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@ -228,6 +228,8 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = {
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[NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, },
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[NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED },
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[NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED },
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};
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/* message building helper */
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@ -372,7 +374,9 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev,
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struct sk_buff *msg, u32 portid, u32 seq,
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int flags)
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{
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struct nlattr *nl_cmds;
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void *hdr;
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int i;
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hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
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if (!hdr)
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@ -431,6 +435,42 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev,
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if (nl802154_put_capabilities(msg, rdev))
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goto nla_put_failure;
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nl_cmds = nla_nest_start(msg, NL802154_ATTR_SUPPORTED_COMMANDS);
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if (!nl_cmds)
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goto nla_put_failure;
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i = 0;
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#define CMD(op, n) \
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do { \
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if (rdev->ops->op) { \
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i++; \
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if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \
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goto nla_put_failure; \
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} \
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} while (0)
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CMD(add_virtual_intf, NEW_INTERFACE);
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CMD(del_virtual_intf, DEL_INTERFACE);
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CMD(set_channel, SET_CHANNEL);
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CMD(set_pan_id, SET_PAN_ID);
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CMD(set_short_addr, SET_SHORT_ADDR);
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CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT);
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CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS);
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CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES);
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CMD(set_lbt_mode, SET_LBT_MODE);
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if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)
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CMD(set_tx_power, SET_TX_POWER);
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if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)
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CMD(set_cca_ed_level, SET_CCA_ED_LEVEL);
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if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)
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CMD(set_cca_mode, SET_CCA_MODE);
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#undef CMD
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nla_nest_end(msg, nl_cmds);
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finish:
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genlmsg_end(msg, hdr);
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return 0;
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