summaryrefslogtreecommitdiffstats
path: root/sys/dev/hfa/fore_vcm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/hfa/fore_vcm.c')
-rw-r--r--sys/dev/hfa/fore_vcm.c531
1 files changed, 0 insertions, 531 deletions
diff --git a/sys/dev/hfa/fore_vcm.c b/sys/dev/hfa/fore_vcm.c
deleted file mode 100644
index 95bc652..0000000
--- a/sys/dev/hfa/fore_vcm.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/*-
- *
- * ===================================
- * HARP | Host ATM Research Platform
- * ===================================
- *
- *
- * This Host ATM Research Platform ("HARP") file (the "Software") is
- * made available by Network Computing Services, Inc. ("NetworkCS")
- * "AS IS". NetworkCS does not provide maintenance, improvements or
- * support of any kind.
- *
- * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
- * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
- * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
- * In no event shall NetworkCS be responsible for any damages, including
- * but not limited to consequential damages, arising from or relating to
- * any use of the Software or related support.
- *
- * Copyright 1994-1998 Network Computing Services, Inc.
- *
- * Copies of this Software may be made, however, the above copyright
- * notice must be reproduced on all copies.
- *
- * @(#) $FreeBSD$
- *
- */
-
-/*
- * FORE Systems 200-Series Adapter Support
- * ---------------------------------------
- *
- * Virtual Channel Management
- *
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <net/if.h>
-#include <netatm/port.h>
-#include <netatm/queue.h>
-#include <netatm/atm.h>
-#include <netatm/atm_sys.h>
-#include <netatm/atm_sap.h>
-#include <netatm/atm_cm.h>
-#include <netatm/atm_if.h>
-#include <netatm/atm_vc.h>
-#include <netatm/atm_stack.h>
-#include <netatm/atm_pcb.h>
-#include <netatm/atm_var.h>
-#include <dev/pci/pcivar.h>
-#include <dev/hfa/fore.h>
-#include <dev/hfa/fore_aali.h>
-#include <dev/hfa/fore_slave.h>
-#include <dev/hfa/fore_stats.h>
-#include <dev/hfa/fore_var.h>
-#include <dev/hfa/fore_include.h>
-
-#ifndef lint
-__RCSID("@(#) $FreeBSD$");
-#endif
-
-
-/*
- * VCC Stack Instantiation
- *
- * This function is called via the common driver code during a device VCC
- * stack instantiation. The common code has already validated some of
- * the request so we just need to check a few more Fore-specific details.
- *
- * Called at splnet.
- *
- * Arguments:
- * cup pointer to device common unit
- * cvp pointer to common VCC entry
- *
- * Returns:
- * 0 instantiation successful
- * err instantiation failed - reason indicated
- *
- */
-int
-fore_instvcc(cup, cvp)
- Cmn_unit *cup;
- Cmn_vcc *cvp;
-{
- Fore_vcc *fvp = (Fore_vcc *)cvp;
- Atm_attributes *ap = &fvp->fv_connvc->cvc_attr;
-
- /*
- * Validate requested AAL
- */
- switch (ap->aal.type) {
-
- case ATM_AAL0:
- fvp->fv_aal = FORE_AAL_0;
- break;
-
- case ATM_AAL3_4:
- fvp->fv_aal = FORE_AAL_4;
- if ((ap->aal.v.aal4.forward_max_SDU_size > FORE_IFF_MTU) ||
- (ap->aal.v.aal4.backward_max_SDU_size > FORE_IFF_MTU))
- return (EINVAL);
- break;
-
- case ATM_AAL5:
- fvp->fv_aal = FORE_AAL_5;
- if ((ap->aal.v.aal5.forward_max_SDU_size > FORE_IFF_MTU) ||
- (ap->aal.v.aal5.backward_max_SDU_size > FORE_IFF_MTU))
- return (EINVAL);
- break;
-
- default:
- return (EINVAL);
- }
-
- return (0);
-}
-
-static const u_int rate_tab[255] = {
- 353207, /* 0 */
- 312501, /* 1 */ 312501, /* 2 */
- 312501, /* 3 */ 312501, /* 4 */
- 312501, /* 5 */ 312501, /* 6 */
- 312501, /* 7 */ 312501, /* 8 */
- 312501, /* 9 */ 312501, /* 10 */
- 312501, /* 11 */ 312501, /* 12 */
- 312501, /* 13 */ 312501, /* 14 */
- 312501, /* 15 */ 312501, /* 16 */
- 312501, /* 17 */ 284091, /* 18 */
- 284091, /* 19 */ 284091, /* 20 */
- 284091, /* 21 */ 284091, /* 22 */
- 284091, /* 23 */ 284091, /* 24 */
- 284091, /* 25 */ 284091, /* 26 */
- 284091, /* 27 */ 284091, /* 28 */
- 284091, /* 29 */ 284091, /* 30 */
- 284091, /* 31 */ 284091, /* 32 */
- 284091, /* 33 */ 284091, /* 34 */
- 284091, /* 35 */ 284091, /* 36 */
- 284091, /* 37 */ 284091, /* 38 */
- 260417, /* 39 */ 260417, /* 40 */
- 260417, /* 41 */ 260417, /* 42 */
- 260417, /* 43 */ 260417, /* 44 */
- 260417, /* 45 */ 260417, /* 46 */
- 260417, /* 47 */ 260417, /* 48 */
- 260417, /* 49 */ 260417, /* 50 */
- 260417, /* 51 */ 260417, /* 52 */
- 260417, /* 53 */ 260417, /* 54 */
- 260417, /* 55 */ 240385, /* 56 */
- 240385, /* 57 */ 240385, /* 58 */
- 240385, /* 59 */ 240385, /* 60 */
- 240385, /* 61 */ 240385, /* 62 */
- 240385, /* 63 */ 240385, /* 64 */
- 240385, /* 65 */ 240385, /* 66 */
- 240385, /* 67 */ 240385, /* 68 */
- 240385, /* 69 */ 240385, /* 70 */
- 223215, /* 71 */ 223215, /* 72 */
- 223215, /* 73 */ 223215, /* 74 */
- 223215, /* 75 */ 223215, /* 76 */
- 223215, /* 77 */ 223215, /* 78 */
- 223215, /* 79 */ 223215, /* 80 */
- 223215, /* 81 */ 223215, /* 82 */
- 223215, /* 83 */ 208334, /* 84 */
- 208334, /* 85 */ 208334, /* 86 */
- 208334, /* 87 */ 208334, /* 88 */
- 208334, /* 89 */ 208334, /* 90 */
- 208334, /* 91 */ 208334, /* 92 */
- 208334, /* 93 */ 208334, /* 94 */
- 195313, /* 95 */ 195313, /* 96 */
- 195313, /* 97 */ 195313, /* 98 */
- 195313, /* 101 */ 195313, /* 102 */
- 195313, /* 103 */ 183824, /* 104 */
- 183824, /* 105 */ 183824, /* 106 */
- 183824, /* 107 */ 183824, /* 108 */
- 183824, /* 109 */ 183824, /* 110 */
- 183824, /* 111 */ 183824, /* 112 */
- 173612, /* 113 */ 173612, /* 114 */
- 173612, /* 115 */ 173612, /* 116 */
- 173612, /* 117 */ 173612, /* 118 */
- 173612, /* 119 */ 173612, /* 120 */
- 164474, /* 121 */ 164474, /* 122 */
- 164474, /* 123 */ 164474, /* 124 */
- 164474, /* 125 */ 164474, /* 126 */
- 164474, /* 127 */ 156250, /* 128 */
- 156250, /* 129 */ 156250, /* 130 */
- 156250, /* 131 */ 156250, /* 132 */
- 156250, /* 133 */ 148810, /* 134 */
- 148810, /* 135 */ 148810, /* 136 */
- 148810, /* 137 */ 148810, /* 138 */
- 148810, /* 139 */ 142046, /* 140 */
- 142046, /* 141 */ 142046, /* 142 */
- 142046, /* 143 */ 142046, /* 144 */
- 135870, /* 145 */ 135870, /* 146 */
- 135870, /* 147 */ 135870, /* 148 */
- 130209, /* 149 */ 130209, /* 150 */
- 130209, /* 151 */ 130209, /* 152 */
- 130209, /* 153 */ 125000, /* 154 */
- 125000, /* 155 */ 125000, /* 156 */
- 125000, /* 157 */ 120193, /* 158 */
- 120193, /* 159 */ 120193, /* 160 */
- 115741, /* 161 */ 115741, /* 162 */
- 115741, /* 163 */ 115741, /* 164 */
- 111608, /* 165 */ 111608, /* 166 */
- 111608, /* 167 */ 107759, /* 168 */
- 107759, /* 169 */ 107759, /* 170 */
- 104167, /* 171 */ 104167, /* 172 */
- 104167, /* 173 */ 100807, /* 174 */
- 100807, /* 175 */ 97657, /* 176 */
- 97657, /* 177 */ 97657, /* 178 */
- 94697, /* 179 */ 94697, /* 180 */
- 91912, /* 181 */ 91912, /* 182 */
- 89286, /* 183 */ 89286, /* 184 */
- 86806, /* 185 */ 86806, /* 186 */
- 84460, /* 187 */ 84460, /* 188 */
- 82237, /* 189 */ 82237, /* 190 */
- 80129, /* 191 */ 78125, /* 192 */
- 78126, /* 193 */ 76220, /* 194 */
- 74405, /* 195 */ 74405, /* 196 */
- 72675, /* 197 */ 71023, /* 198 */
- 69445, /* 199 */ 69445, /* 200 */
- 67935, /* 201 */ 66490, /* 202 */
- 65105, /* 203 */ 63776, /* 204 */
- 62500, /* 205 */ 61275, /* 206 */
- 60097, /* 207 */ 58963, /* 208 */
- 57871, /* 209 */ 56819, /* 210 */
- 54825, /* 211 */ 53880, /* 212 */
- 52967, /* 213 */ 51230, /* 214 */
- 50404, /* 215 */ 48829, /* 216 */
- 47349, /* 217 */ 46642, /* 218 */
- 45290, /* 219 */ 44015, /* 220 */
- 42809, /* 221 */ 41119, /* 222 */
- 40065, /* 223 */ 39063, /* 224 */
- 37651, /* 225 */ 36338, /* 226 */
- 35113, /* 227 */ 33968, /* 228 */
- 32553, /* 229 */ 31250, /* 230 */
- 30049, /* 231 */ 28936, /* 232 */
- 27655, /* 233 */ 26261, /* 234 */
- 25000, /* 235 */ 23855, /* 236 */
- 22645, /* 237 */ 21259, /* 238 */
- 20033, /* 239 */ 18826, /* 240 */
- 17557, /* 241 */ 16277, /* 242 */
- 15025, /* 243 */ 13767, /* 244 */
- 12551, /* 245 */ 11282, /* 246 */
- 10017, /* 247 */ 8779, /* 248 */
- 7531, /* 249 */ 6263, /* 250 */
- 5017, /* 251 */ 3761, /* 252 */
- 2509, /* 253 */ 1254, /* 254 */
-};
-
-/*
- * Find the best match of the high part of the Rate Control Information
- *
- * This function is called when a VC is opened in order to help
- * in converting Fore's rate to PCR.
- * The Fore's Rate Control Information is encoded as 32-bit field
- * comprised of two 16-bit subfields.
- *
- * Arguments:
- * *pcr Peak Cell Rate, will be updated with actual value
- *
- * Returns:
- * descr the rate descriptor
- *
- */
-static uint32_t
-pcr2rate(int32_t *pcr)
-{
- u_int i;
-
- if (*pcr >= rate_tab[0]) {
- /* special case link rate */
- *pcr = rate_tab[0];
- return (0);
- }
-
- for (i = 0; i < sizeof(rate_tab) / sizeof(rate_tab[0]); i++)
- if (*pcr >= rate_tab[i])
- break;
- if (i == sizeof(rate_tab) / sizeof(rate_tab[0])) {
- /* smaller than smallest */
- i--;
- }
- /* update with the actual value */
- *pcr = rate_tab[i];
- return ((255 - i) << 16) | i;
-}
-
-/*
- * Open a VCC
- *
- * This function is called via the common driver code after receiving a
- * stack *_INIT command. The common code has already validated most of
- * the request so we just need to check a few more Fore-specific details.
- * Then we just issue the command to the CP. Note that we can't wait around
- * for the CP to process the command, so we return success for now and abort
- * the connection if the command later fails.
- *
- * Called at splimp.
- *
- * Arguments:
- * cup pointer to device common unit
- * cvp pointer to common VCC entry
- *
- * Returns:
- * 0 open successful
- * else open failed
- *
- */
-int
-fore_openvcc(cup, cvp)
- Cmn_unit *cup;
- Cmn_vcc *cvp;
-{
- Fore_unit *fup = (Fore_unit *)cup;
- Fore_vcc *fvp = (Fore_vcc *)cvp;
- H_cmd_queue *hcp;
- Cmd_queue *cqp;
- struct vccb *vcp;
-
- vcp = fvp->fv_connvc->cvc_vcc;
-
- ATM_DEBUG4("fore_openvcc: fup=%p, fvp=%p, vcc=(%d,%d)\n",
- fup, fvp, vcp->vc_vpi, vcp->vc_vci);
-
- /*
- * Validate the VPI and VCI values
- */
- if ((vcp->vc_vpi > fup->fu_pif.pif_maxvpi) ||
- (vcp->vc_vci > fup->fu_pif.pif_maxvci)) {
- return (1);
- }
-
- /*
- * Compute the PCR (but only for outgoing VCCs)
- */
- fvp->rate = FORE_DEF_RATE;
- if ((vcp->vc_type & VCC_OUT) && cvp->cv_connvc) {
- Atm_attributes *attr = &cvp->cv_connvc->cvc_attr;
-
- if (attr && attr->traffic.v.forward.PCR_all_traffic > 0 &&
- attr->traffic.v.forward.PCR_all_traffic < rate_tab[0] &&
- (fup->fu_shape == FUS_SHAPE_ALL ||
- (fup->fu_shape == FUS_SHAPE_ONE &&
- fup->fu_num_shaped == 0))) {
- fvp->rate = pcr2rate(&attr->traffic.v.forward.
- PCR_all_traffic);
- fup->fu_num_shaped++;
- }
- }
-
- /*
- * Only need to tell the CP about incoming VCCs
- */
- if ((vcp->vc_type & VCC_IN) == 0) {
- DEVICE_LOCK((Cmn_unit *)fup);
- fup->fu_open_vcc++;
- fvp->fv_state = CVS_ACTIVE;
- DEVICE_UNLOCK((Cmn_unit *)fup);
- return (0);
- }
-
- /*
- * Queue command at end of command queue
- */
- hcp = fup->fu_cmd_tail;
- if ((*hcp->hcq_status) & QSTAT_FREE) {
-
- /*
- * Queue entry available, so set our view of things up
- */
- hcp->hcq_code = CMD_ACT_VCCIN;
- hcp->hcq_arg = fvp;
- fup->fu_cmd_tail = hcp->hcq_next;
- fvp->fv_flags |= FVF_ACTCMD;
-
- /*
- * Now set the CP-resident queue entry - the CP will grab
- * the command when the op-code is set.
- */
- cqp = hcp->hcq_cpelem;
- (*hcp->hcq_status) = QSTAT_PENDING;
- cqp->cmdq_act.act_vccid = CP_WRITE(vcp->vc_vci);
- if (fvp->fv_aal == FORE_AAL_0)
- cqp->cmdq_act.act_batch = CP_WRITE(1);
- cqp->cmdq_act.act_spec = CP_WRITE(
- ACT_SET_SPEC(BUF_STRAT_1, fvp->fv_aal,
- CMD_ACT_VCCIN | CMD_INTR_REQ));
- } else {
- /*
- * Command queue full
- */
- fup->fu_stats->st_drv.drv_cm_full++;
- return (1);
- }
-
- return (0);
-}
-
-
-/*
- * Close a VCC
- *
- * This function is called via the common driver code after receiving a
- * stack *_TERM command. The common code has already validated most of
- * the request so we just need to check a few more Fore-specific details.
- * Then we just issue the command to the CP. Note that we can't wait around
- * for the CP to process the command, so we return success for now and whine
- * if the command later fails.
- *
- * Called at splimp.
- *
- * Arguments:
- * cup pointer to device common unit
- * cvp pointer to common VCC entry
- *
- * Returns:
- * 0 close successful
- * else close failed
- *
- */
-int
-fore_closevcc(cup, cvp)
- Cmn_unit *cup;
- Cmn_vcc *cvp;
-{
- Fore_unit *fup = (Fore_unit *)cup;
- Fore_vcc *fvp = (Fore_vcc *)cvp;
- H_xmit_queue *hxp;
- H_cmd_queue *hcp;
- Cmd_queue *cqp;
- struct vccb *vcp;
- int i, err = 0;
-
- vcp = fvp->fv_connvc->cvc_vcc;
-
- ATM_DEBUG4("fore_closevcc: fup=%p, fvp=%p, vcc=(%d,%d)\n",
- fup, fvp, vcp->vc_vpi, vcp->vc_vci);
-
- DEVICE_LOCK((Cmn_unit *)fup);
-
- /*
- * Clear any references to this VCC in our transmit queue
- */
- for (hxp = fup->fu_xmit_head, i = 0;
- (*hxp->hxq_status != QSTAT_FREE) && (i < XMIT_QUELEN);
- hxp = hxp->hxq_next, i++) {
- if (hxp->hxq_vcc == fvp) {
- hxp->hxq_vcc = NULL;
- }
- }
-
- /*
- * Clear any references to this VCC in our command queue
- */
- for (hcp = fup->fu_cmd_head, i = 0;
- (*hcp->hcq_status != QSTAT_FREE) && (i < CMD_QUELEN);
- hcp = hcp->hcq_next, i++) {
- switch (hcp->hcq_code) {
-
- case CMD_ACT_VCCIN:
- case CMD_ACT_VCCOUT:
- if (hcp->hcq_arg == fvp) {
- hcp->hcq_arg = NULL;
- }
- break;
- }
- }
-
- /*
- * If this VCC has been previously activated, then we need to tell
- * the CP to deactivate it.
- */
- if (fvp->fv_flags & FVF_ACTCMD) {
-
- /*
- * Queue command at end of command queue
- */
- hcp = fup->fu_cmd_tail;
- if ((*hcp->hcq_status) & QSTAT_FREE) {
-
- /*
- * Queue entry available, so set our view of things up
- */
- hcp->hcq_code = CMD_DACT_VCCIN;
- hcp->hcq_arg = fvp;
- fup->fu_cmd_tail = hcp->hcq_next;
-
- /*
- * Now set the CP-resident queue entry - the CP will
- * grab the command when the op-code is set.
- */
- cqp = hcp->hcq_cpelem;
- (*hcp->hcq_status) = QSTAT_PENDING;
- cqp->cmdq_dact.dact_vccid = CP_WRITE(vcp->vc_vci);
- cqp->cmdq_dact.dact_cmd =
- CP_WRITE(CMD_DACT_VCCIN|CMD_INTR_REQ);
- } else {
- /*
- * Command queue full
- *
- * If we get here, we'll be getting out-of-sync with
- * the CP because we can't (for now at least) do
- * anything about close errors in the common code.
- * This won't be too bad, since we'll just toss any
- * PDUs received from the VCC and the sigmgr's will
- * always get open failures when trying to use this
- * (vpi,vci)...oh, well...always gotta have that one
- * last bug to fix! XXX
- */
- fup->fu_stats->st_drv.drv_cm_full++;
- err = 1;
- }
- }
-
- /*
- * Finish up...
- */
- if (fvp->fv_state == CVS_ACTIVE)
- fup->fu_open_vcc--;
-
- if (fvp->rate != 0)
- fup->fu_num_shaped--;
-
- DEVICE_UNLOCK((Cmn_unit *)fup);
-
- return (err);
-}
-
OpenPOWER on IntegriCloud