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if_atsam: Add tx/rx desc sysctls

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Update #4652.
This commit is contained in:
Sebastian Huber 2022-05-25 11:04:22 +02:00
parent eb58e82197
commit 1ed12b8af7
1 changed files with 77 additions and 0 deletions
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77
rtemsbsd/sys/dev/atsam/if_atsam.c
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@ -42,6 +42,7 @@
#include <sys/types.h>
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/sbuf.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/kernel.h>
@ -157,6 +158,7 @@ typedef struct if_atsam_softc {
size_t tx_idx_tail;
struct if_atsam_tx_bds *tx;
struct mbuf *tx_mbufs[TX_DESC_COUNT];
size_t rx_idx_head;
struct if_atsam_rx_bds *rx;
struct mbuf *rx_mbufs[RX_DESC_COUNT];
uint8_t GMacAddress[6];
@ -506,6 +508,8 @@ if_atsam_rx_daemon(rtems_task_argument arg)
while (true) {
rtems_event_set out;
sc->rx_idx_head = idx;
/* Enable RX interrupts */
pHw->GMAC_IER = GMAC_IER_RCOMP | GMAC_IER_ROVR;
@ -1160,6 +1164,73 @@ if_atsam_sysctl_reg(SYSCTL_HANDLER_ARGS)
return (sysctl_handle_int(oidp, &value, 0, req));
}
static int
if_atsam_sysctl_tx_desc(SYSCTL_HANDLER_ARGS)
{
struct if_atsam_softc *sc = arg1;
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
struct sbuf *sb;
int error;
size_t i;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0) {
return (error);
}
sb = sbuf_new_for_sysctl(NULL, NULL, 1024, req);
if (sb == NULL) {
return (ENOMEM);
}
sbuf_printf(sb, "\n\tHead %u\n", sc->tx_idx_head);
sbuf_printf(sb, "\tTail %u\n", sc->tx_idx_tail);
sbuf_printf(sb, "\tDMA %u\n",
(pHw->GMAC_TBQB - (uintptr_t)&sc->tx->bds[0]) / 8);
for (i = 0; i < TX_DESC_COUNT; ++i) {
sbuf_printf(sb, "\t[%2u] %08x %08x\n", i,
sc->tx->bds[i].status.val, sc->tx->bds[i].addr);
}
error = sbuf_finish(sb);
sbuf_delete(sb);
return (error);
}
static int
if_atsam_sysctl_rx_desc(SYSCTL_HANDLER_ARGS)
{
struct if_atsam_softc *sc = arg1;
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
struct sbuf *sb;
int error;
size_t i;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0) {
return (error);
}
sb = sbuf_new_for_sysctl(NULL, NULL, 1024, req);
if (sb == NULL) {
return (ENOMEM);
}
sbuf_printf(sb, "\n\tHead %u\n", sc->rx_idx_head);
sbuf_printf(sb, "\tDMA %u\n",
(pHw->GMAC_RBQB - (uintptr_t)&sc->rx->bds[0]) / 8);
for (i = 0; i < RX_DESC_COUNT; ++i) {
sbuf_printf(sb, "\t[%2u] %08x %08x\n", i,
sc->rx->bds[i].status.val, sc->rx->bds[i].addr);
}
error = sbuf_finish(sb);
sbuf_delete(sb);
return (error);
}
static void
if_atsam_add_sysctls(device_t dev)
{
@ -1179,6 +1250,12 @@ if_atsam_add_sysctls(device_t dev)
NULL, "if_atsam registers");
child = SYSCTL_CHILDREN(tree);
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "txdesc", CTLTYPE_STRING |
CTLFLAG_RD, sc, 0, if_atsam_sysctl_tx_desc, "A",
"Transmit Descriptors");
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rxdesc", CTLTYPE_STRING |
CTLFLAG_RD, sc, 0, if_atsam_sysctl_rx_desc, "A",
"Receive Descriptors");
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "imr", CTLTYPE_UINT |
CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_IMR), 0,
if_atsam_sysctl_reg, "I", "IMR");