diff options
Diffstat (limited to 'usr/src/uts/common/io/dld/dld_str.c')
| -rw-r--r-- | usr/src/uts/common/io/dld/dld_str.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/usr/src/uts/common/io/dld/dld_str.c b/usr/src/uts/common/io/dld/dld_str.c index f89e4a5f94..bb39729813 100644 --- a/usr/src/uts/common/io/dld/dld_str.c +++ b/usr/src/uts/common/io/dld/dld_str.c @@ -1008,6 +1008,7 @@ str_mdata_raw_put(dld_str_t *dsp, mblk_t *mp) size_t size; mac_header_info_t mhi; uint_t pri, vid; + uint_t max_sdu; /* * Certain MAC type plugins provide an illusion for raw DLPI @@ -1042,12 +1043,13 @@ str_mdata_raw_put(dld_str_t *dsp, mblk_t *mp) if (dls_header_info(dsp->ds_dc, mp, &mhi) != 0) goto discard; + mac_sdu_get(dsp->ds_mh, NULL, &max_sdu); /* * If LSO is enabled, check the size against lso_max. Otherwise, - * compare the packet size with sdu_max. + * compare the packet size with max_sdu. */ - if (size > (dsp->ds_lso ? dsp->ds_lso_max : dsp->ds_mip->mi_sdu_max) - + mhi.mhi_hdrsize) + max_sdu = dsp->ds_lso ? dsp->ds_lso_max : max_sdu; + if (size > max_sdu + mhi.mhi_hdrsize) goto discard; if (is_ethernet) { @@ -1473,6 +1475,31 @@ dld_str_rx_unitdata(void *arg, mac_resource_handle_t mrh, mblk_t *mp, } /* + * DL_NOTIFY_IND: DL_NOTE_SDU_SIZE + */ +static void +str_notify_sdu_size(dld_str_t *dsp, uint_t max_sdu) +{ + mblk_t *mp; + dl_notify_ind_t *dlip; + + if (!(dsp->ds_notifications & DL_NOTE_SDU_SIZE)) + return; + + if ((mp = mexchange(dsp->ds_wq, NULL, sizeof (dl_notify_ind_t), + M_PROTO, 0)) == NULL) + return; + + bzero(mp->b_rptr, sizeof (dl_notify_ind_t)); + dlip = (dl_notify_ind_t *)mp->b_rptr; + dlip->dl_primitive = DL_NOTIFY_IND; + dlip->dl_notification = DL_NOTE_SDU_SIZE; + dlip->dl_data = max_sdu; + + qreply(dsp->ds_wq, mp); +} + +/* * Generate DL_NOTIFY_IND messages to notify the DLPI consumer of the * current state of the interface. */ @@ -1857,12 +1884,20 @@ str_notify(void *arg, mac_notify_type_t type) str_notify_capab_reneg(dsp); break; + case MAC_NOTE_SDU_SIZE: { + uint_t max_sdu; + mac_sdu_get(dsp->ds_mh, NULL, &max_sdu); + str_notify_sdu_size(dsp, max_sdu); + break; + } + case MAC_NOTE_FASTPATH_FLUSH: str_notify_fastpath_flush(dsp); break; case MAC_NOTE_MARGIN: break; + default: ASSERT(B_FALSE); break; |