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LinuxKPI: 802.11: add MO tracing

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Add a macro to each implemented mac80211 operation.  This currently
turns into a printf if LINUXKPI_80211_DEBUG is defined but in the
future could become a different probe as well.
This is helpful for quick analysis and boot-time problem debugging
when DTrace and other frameworks may be harder to use.

Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
This commit is contained in:
Bjoern A. Zeeb 2022-10-23 21:48:22 +00:00
parent 3b5e5ce87b
commit 64d3da0063
3 changed files with 62 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/compat/linuxkpi/common/src/linux_80211.c
View File

@ -88,22 +88,6 @@ SYSCTL_NODE(_compat_linuxkpi, OID_AUTO, 80211, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
SYSCTL_INT(_compat_linuxkpi_80211, OID_AUTO, debug, CTLFLAG_RWTUN,
&linuxkpi_debug_80211, 0, "LinuxKPI 802.11 debug level");
#ifndef D80211_TODO
#define D80211_TODO 0x1
#endif
#ifndef D80211_IMPROVE
#define D80211_IMPROVE 0x2
#endif
#define D80211_TRACE 0x10
#define D80211_TRACEOK 0x20
#define D80211_TRACE_TX 0x100
#define D80211_TRACE_TX_DUMP 0x200
#define D80211_TRACE_RX 0x1000
#define D80211_TRACE_RX_DUMP 0x2000
#define D80211_TRACE_RX_BEACONS 0x4000
#define D80211_TRACEX (D80211_TRACE_TX|D80211_TRACE_RX)
#define D80211_TRACEX_DUMP (D80211_TRACE_TX_DUMP|D80211_TRACE_RX_DUMP)
#define D80211_TRACE_STA 0x10000
#define UNIMPLEMENTED if (linuxkpi_debug_80211 & D80211_TODO) \
printf("XXX-TODO %s:%d: UNIMPLEMENTED\n", __func__, __LINE__)
#define TRACEOK() if (linuxkpi_debug_80211 & D80211_TRACEOK) \

20
sys/compat/linuxkpi/common/src/linux_80211.h
View File

@ -42,6 +42,26 @@
#ifndef _LKPI_SRC_LINUX_80211_H
#define _LKPI_SRC_LINUX_80211_H
/* #define LINUXKPI_DEBUG_80211 */
#ifndef D80211_TODO
#define D80211_TODO 0x1
#endif
#ifndef D80211_IMPROVE
#define D80211_IMPROVE 0x2
#endif
#define D80211_TRACE 0x10
#define D80211_TRACEOK 0x20
#define D80211_TRACE_TX 0x100
#define D80211_TRACE_TX_DUMP 0x200
#define D80211_TRACE_RX 0x1000
#define D80211_TRACE_RX_DUMP 0x2000
#define D80211_TRACE_RX_BEACONS 0x4000
#define D80211_TRACEX (D80211_TRACE_TX|D80211_TRACE_RX)
#define D80211_TRACEX_DUMP (D80211_TRACE_TX_DUMP|D80211_TRACE_RX_DUMP)
#define D80211_TRACE_STA 0x10000
#define D80211_TRACE_MO 0x100000
struct lkpi_radiotap_tx_hdr {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;

42
sys/compat/linuxkpi/common/src/linux_80211_macops.c
View File

@ -39,6 +39,16 @@ __FBSDID("$FreeBSD$");
#include "linux_80211.h"
/* Could be a different tracing framework later. */
#ifdef LINUXKPI_DEBUG_80211
#define LKPI_80211_TRACE_MO(fmt, ...) \
if (linuxkpi_debug_80211 & D80211_TRACE_MO) \
printf("LKPI_80211_TRACE_MO %s:%d:_" fmt "\n", \
__func__, __LINE__, __VA_ARGS__)
#else
#define LKPI_80211_TRACE_MO(...) do { } while(0)
#endif
int
lkpi_80211_mo_start(struct ieee80211_hw *hw)
{
@ -56,6 +66,7 @@ lkpi_80211_mo_start(struct ieee80211_hw *hw)
error = EEXIST;
goto out;
}
LKPI_80211_TRACE_MO("hw %p", hw);
error = lhw->ops->start(hw);
if (error == 0)
lhw->sc_flags |= LKPI_MAC80211_DRV_STARTED;
@ -73,6 +84,7 @@ lkpi_80211_mo_stop(struct ieee80211_hw *hw)
if (lhw->ops->stop == NULL)
return;
LKPI_80211_TRACE_MO("hw %p", hw);
lhw->ops->stop(hw);
lhw->sc_flags &= ~LKPI_MAC80211_DRV_STARTED;
}
@ -89,6 +101,7 @@ lkpi_80211_mo_get_antenna(struct ieee80211_hw *hw, u32 *txs, u32 *rxs)
goto out;
}
LKPI_80211_TRACE_MO("hw %p", hw);
error = lhw->ops->get_antenna(hw, txs, rxs);
out:
@ -107,6 +120,7 @@ lkpi_80211_mo_set_frag_threshold(struct ieee80211_hw *hw, uint32_t frag_th)
goto out;
}
LKPI_80211_TRACE_MO("hw %p frag_th %u", hw, frag_th);
error = lhw->ops->set_frag_threshold(hw, frag_th);
out:
@ -125,6 +139,7 @@ lkpi_80211_mo_set_rts_threshold(struct ieee80211_hw *hw, uint32_t rts_th)
goto out;
}
LKPI_80211_TRACE_MO("hw %p rts_th %u", hw, rts_th);
error = lhw->ops->set_rts_threshold(hw, rts_th);
out:
@ -155,6 +170,7 @@ lkpi_80211_mo_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
}
LKPI_80211_LVIF_UNLOCK(lvif);
LKPI_80211_TRACE_MO("hw %p vif %p", hw, vif);
error = lhw->ops->add_interface(hw, vif);
if (error == 0) {
LKPI_80211_LVIF_LOCK(lvif);
@ -184,6 +200,7 @@ lkpi_80211_mo_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vi
}
LKPI_80211_LVIF_UNLOCK(lvif);
LKPI_80211_TRACE_MO("hw %p vif %p", hw, vif);
lhw->ops->remove_interface(hw, vif);
LKPI_80211_LVIF_LOCK(lvif);
lvif->added_to_drv = false;
@ -206,6 +223,7 @@ lkpi_80211_mo_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}
lhw->scan_flags |= LKPI_LHW_SCAN_RUNNING;
LKPI_80211_TRACE_MO("hw %p vif %p sr %p", hw, vif, sr);
error = lhw->ops->hw_scan(hw, vif, sr);
if (error != 0)
lhw->scan_flags &= ~LKPI_LHW_SCAN_RUNNING;
@ -223,6 +241,7 @@ lkpi_80211_mo_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
if (lhw->ops->cancel_hw_scan == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p", hw, vif);
lhw->ops->cancel_hw_scan(hw, vif);
}
@ -235,6 +254,7 @@ lkpi_80211_mo_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vi
if (lhw->ops->sw_scan_complete == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p", hw, vif);
lhw->ops->sw_scan_complete(hw, vif);
lhw->scan_flags &= ~LKPI_LHW_SCAN_RUNNING;
}
@ -249,6 +269,7 @@ lkpi_80211_mo_sw_scan_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
if (lhw->ops->sw_scan_start == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p", hw, vif);
lhw->ops->sw_scan_start(hw, vif, addr);
}
@ -267,6 +288,7 @@ lkpi_80211_mo_prepare_multicast(struct ieee80211_hw *hw,
if (lhw->ops->prepare_multicast == NULL)
return (0);
LKPI_80211_TRACE_MO("hw %p mc_list %p", hw, mc_list);
ptr = lhw->ops->prepare_multicast(hw, mc_list);
return (ptr);
}
@ -284,6 +306,7 @@ lkpi_80211_mo_configure_filter(struct ieee80211_hw *hw, unsigned int changed_fla
if (mc_ptr == 0)
return;
LKPI_80211_TRACE_MO("hw %p changed_flags %#x total_flags %p mc_ptr %ju", hw, changed_flags, total_flags, (uintmax_t)mc_ptr);
lhw->ops->configure_filter(hw, changed_flags, total_flags, mc_ptr);
}
@ -313,6 +336,7 @@ lkpi_80211_mo_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
goto out;
}
LKPI_80211_TRACE_MO("hw %p vif %p sta %p", hw, vif, sta);
error = lhw->ops->sta_add(hw, vif, sta);
if (error == 0)
lsta->added_to_drv = true;
@ -342,6 +366,7 @@ lkpi_80211_mo_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
goto out;
}
LKPI_80211_TRACE_MO("hw %p vif %p sta %p", hw, vif, sta);
error = lhw->ops->sta_remove(hw, vif, sta);
if (error == 0)
lsta->added_to_drv = false;
@ -361,6 +386,7 @@ lkpi_80211_mo_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
lhw = HW_TO_LHW(hw);
lsta = STA_TO_LSTA(sta);
if (lhw->ops->sta_state != NULL) {
LKPI_80211_TRACE_MO("hw %p vif %p sta %p nstate %d", hw, vif, sta, nstate);
error = lhw->ops->sta_state(hw, vif, sta, lsta->state, nstate);
if (error == 0) {
if (nstate == IEEE80211_STA_NOTEXIST)
@ -405,6 +431,7 @@ lkpi_80211_mo_config(struct ieee80211_hw *hw, uint32_t changed)
goto out;
}
LKPI_80211_TRACE_MO("hw %p changed %u", hw, changed);
error = lhw->ops->config(hw, changed);
out:
@ -425,6 +452,7 @@ lkpi_80211_mo_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *
goto out;
}
LKPI_80211_TRACE_MO("hw %p vif %p chanctx_conf %p", hw, vif, chanctx_conf);
error = lhw->ops->assign_vif_chanctx(hw, vif, NULL, chanctx_conf);
if (error == 0)
vif->chanctx_conf = chanctx_conf;
@ -446,6 +474,7 @@ lkpi_80211_mo_unassign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif
if (*chanctx_conf == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p chanctx_conf %p", hw, vif, *chanctx_conf);
lhw->ops->unassign_vif_chanctx(hw, vif, NULL, *chanctx_conf);
*chanctx_conf = NULL;
}
@ -464,6 +493,7 @@ lkpi_80211_mo_add_chanctx(struct ieee80211_hw *hw,
goto out;
}
LKPI_80211_TRACE_MO("hw %p chanctx_conf %p", hw, chanctx_conf);
error = lhw->ops->add_chanctx(hw, chanctx_conf);
out:
@ -480,6 +510,7 @@ lkpi_80211_mo_change_chanctx(struct ieee80211_hw *hw,
if (lhw->ops->change_chanctx == NULL)
return;
LKPI_80211_TRACE_MO("hw %p chanctx_conf %p changed %u", hw, chanctx_conf, changed);
lhw->ops->change_chanctx(hw, chanctx_conf, changed);
}
@ -493,6 +524,7 @@ lkpi_80211_mo_remove_chanctx(struct ieee80211_hw *hw,
if (lhw->ops->remove_chanctx == NULL)
return;
LKPI_80211_TRACE_MO("hw %p chanctx_conf %p", hw, chanctx_conf);
lhw->ops->remove_chanctx(hw, chanctx_conf);
}
@ -506,6 +538,7 @@ lkpi_80211_mo_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vi
if (lhw->ops->bss_info_changed == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p conf %p changed %#jx", hw, vif, conf, (uintmax_t)changed);
lhw->ops->bss_info_changed(hw, vif, conf, changed);
}
@ -523,6 +556,7 @@ lkpi_80211_mo_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
goto out;
}
LKPI_80211_TRACE_MO("hw %p vif %p ac %u txpq %p", hw, vif, ac, txqp);
error = lhw->ops->conf_tx(hw, vif, 0, ac, txqp);
out:
@ -539,6 +573,7 @@ lkpi_80211_mo_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
if (lhw->ops->flush == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p nqueues %u drop %d", hw, vif, nqueues, drop);
lhw->ops->flush(hw, vif, nqueues, drop);
}
@ -552,6 +587,7 @@ lkpi_80211_mo_mgd_prepare_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
if (lhw->ops->mgd_prepare_tx == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p txinfo %p", hw, vif, txinfo);
lhw->ops->mgd_prepare_tx(hw, vif, txinfo);
}
@ -565,6 +601,7 @@ lkpi_80211_mo_mgd_complete_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif
if (lhw->ops->mgd_complete_tx == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p txinfo %p", hw, vif, txinfo);
lhw->ops->mgd_complete_tx(hw, vif, txinfo);
}
@ -578,6 +615,7 @@ lkpi_80211_mo_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *txctrl,
if (lhw->ops->tx == NULL)
return;
LKPI_80211_TRACE_MO("hw %p txctrl %p skb %p", hw, txctrl, skb);
lhw->ops->tx(hw, txctrl, skb);
}
@ -590,6 +628,7 @@ lkpi_80211_mo_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
if (lhw->ops->wake_tx_queue == NULL)
return;
LKPI_80211_TRACE_MO("hw %p txq %p", hw, txq);
lhw->ops->wake_tx_queue(hw, txq);
}
@ -602,6 +641,7 @@ lkpi_80211_mo_sync_rx_queues(struct ieee80211_hw *hw)
if (lhw->ops->sync_rx_queues == NULL)
return;
LKPI_80211_TRACE_MO("hw %p", hw);
lhw->ops->sync_rx_queues(hw);
}
@ -615,6 +655,7 @@ lkpi_80211_mo_sta_pre_rcu_remove(struct ieee80211_hw *hw,
if (lhw->ops->sta_pre_rcu_remove == NULL)
return;
LKPI_80211_TRACE_MO("hw %p vif %p sta %p", hw, vif, sta);
lhw->ops->sta_pre_rcu_remove(hw, vif, sta);
}
@ -632,6 +673,7 @@ lkpi_80211_mo_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
goto out;
}
LKPI_80211_TRACE_MO("hw %p cmd %d vif %p sta %p kc %p", hw, cmd, vif, sta, kc);
error = lhw->ops->set_key(hw, cmd, vif, sta, kc);
out: