diff options
Diffstat (limited to 'drivers/isdn/mISDN/hwchannel.c')
| -rw-r--r-- | drivers/isdn/mISDN/hwchannel.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c index e541b65f68b..ef34fd40867 100644 --- a/drivers/isdn/mISDN/hwchannel.c +++ b/drivers/isdn/mISDN/hwchannel.c @@ -142,6 +142,8 @@ mISDN_clear_bchannel(struct bchannel *ch) test_and_clear_bit(FLG_ACTIVE, &ch->Flags); test_and_clear_bit(FLG_FILLEMPTY, &ch->Flags); test_and_clear_bit(FLG_TX_EMPTY, &ch->Flags); + test_and_clear_bit(FLG_RX_OFF, &ch->Flags); + ch->dropcnt = 0; ch->minlen = ch->init_minlen; ch->next_minlen = ch->init_minlen; ch->maxlen = ch->init_maxlen; @@ -167,7 +169,8 @@ mISDN_ctrl_bchannel(struct bchannel *bch, struct mISDN_ctrl_req *cq) switch (cq->op) { case MISDN_CTRL_GETOP: - cq->op = MISDN_CTRL_RX_BUFFER | MISDN_CTRL_FILL_EMPTY; + cq->op = MISDN_CTRL_RX_BUFFER | MISDN_CTRL_FILL_EMPTY | + MISDN_CTRL_RX_OFF; break; case MISDN_CTRL_FILL_EMPTY: if (cq->p1) { @@ -177,6 +180,15 @@ mISDN_ctrl_bchannel(struct bchannel *bch, struct mISDN_ctrl_req *cq) test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags); } break; + case MISDN_CTRL_RX_OFF: + /* read back dropped byte count */ + cq->p2 = bch->dropcnt; + if (cq->p1) + test_and_set_bit(FLG_RX_OFF, &bch->Flags); + else + test_and_clear_bit(FLG_RX_OFF, &bch->Flags); + bch->dropcnt = 0; + break; case MISDN_CTRL_RX_BUFFER: if (cq->p2 > MISDN_CTRL_RX_SIZE_IGNORE) bch->next_maxlen = cq->p2; |