49 * This module does not free any mblks or packets in case or errors.
50 */
51
52 int
53 dlcosmk_process(mblk_t **mpp, dlcosmk_data_t *dlcosmk_data, uint32_t ill_index,
54 ip_proc_t proc)
55 {
56 ill_t *ill = NULL;
57 mblk_t *mp;
58
59 ASSERT((mpp != NULL) && (*mpp != NULL));
60 mp = *mpp;
61
62 /*
63 * The action module will receive an M_DATA or an M_CTL followed
64 * by an M_DATA. In the latter case skip the M_CTL.
65 */
66 if (mp->b_datap->db_type != M_DATA) {
67 if ((mp->b_cont == NULL) ||
68 (mp->b_cont->b_datap->db_type != M_DATA)) {
69 atomic_add_64(&dlcosmk_data->epackets, 1);
70 dlcosmk0dbg(("dlcosmk_process: no data\n"));
71 return (EINVAL);
72 }
73 }
74
75 /* Update global stats */
76 atomic_add_64(&dlcosmk_data->npackets, 1);
77
78 /*
79 * This should only be called for outgoing packets. For inbound, just
80 * send it along.
81 */
82 if ((proc == IPP_LOCAL_IN) || (proc == IPP_FWD_IN)) {
83 dlcosmk2dbg(("dlcosmk_process:cannot mark incoming packets\n"));
84 atomic_add_64(&dlcosmk_data->ipackets, 1);
85 return (0);
86 }
87
88 if ((ill_index == 0) ||
89 ((ill = ill_lookup_on_ifindex_global_instance(ill_index,
90 B_FALSE)) == NULL)) {
91 dlcosmk2dbg(("dlcosmk_process:invalid ill index %u\n",
92 ill_index));
93 atomic_add_64(&dlcosmk_data->ipackets, 1);
94 return (0);
95 }
96
97 /*
98 * Check if the interface supports CoS marking. If not send it to the
99 * next action in the chain
100 */
101 if (!(ill->ill_flags & ILLF_COS_ENABLED)) {
102 dlcosmk2dbg(("dlcosmk_process:ill %u does not support CoS\n",
103 ill_index));
104 atomic_add_64(&dlcosmk_data->ipackets, 1);
105 ill_refrele(ill);
106 return (0);
107 }
108 ill_refrele(ill);
109
110
111 /*
112 * Mark the b_band for fastpath messages or dl_priority.dl_max for
113 * DL_UNITDATA_REQ messages. For, others just pass it along.
114 */
115 switch (DB_TYPE(mp)) {
116 case M_PROTO:
117 case M_PCPROTO:
118 { /* DL_UNITDATA */
119 dl_unitdata_req_t *dlur;
120 dlur = (dl_unitdata_req_t *)mp->b_rptr;
121
122 /* DL_UNITDATA message?? */
123 if (dlur->dl_primitive == DL_UNITDATA_REQ) {
124 dlur->dl_priority.dl_max =
125 dlcosmk_data->dl_max;
126 } else {
127 atomic_add_64(&dlcosmk_data->ipackets,
128 1);
129 }
130 break;
131 }
132 case M_DATA:
133 /* fastpath message */
134 mp->b_band = dlcosmk_data->b_band;
135 break;
136 default:
137 atomic_add_64(&dlcosmk_data->ipackets, 1);
138 break;
139 }
140
141 return (0);
142 }
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49 * This module does not free any mblks or packets in case or errors.
50 */
51
52 int
53 dlcosmk_process(mblk_t **mpp, dlcosmk_data_t *dlcosmk_data, uint32_t ill_index,
54 ip_proc_t proc)
55 {
56 ill_t *ill = NULL;
57 mblk_t *mp;
58
59 ASSERT((mpp != NULL) && (*mpp != NULL));
60 mp = *mpp;
61
62 /*
63 * The action module will receive an M_DATA or an M_CTL followed
64 * by an M_DATA. In the latter case skip the M_CTL.
65 */
66 if (mp->b_datap->db_type != M_DATA) {
67 if ((mp->b_cont == NULL) ||
68 (mp->b_cont->b_datap->db_type != M_DATA)) {
69 atomic_inc_64(&dlcosmk_data->epackets);
70 dlcosmk0dbg(("dlcosmk_process: no data\n"));
71 return (EINVAL);
72 }
73 }
74
75 /* Update global stats */
76 atomic_inc_64(&dlcosmk_data->npackets);
77
78 /*
79 * This should only be called for outgoing packets. For inbound, just
80 * send it along.
81 */
82 if ((proc == IPP_LOCAL_IN) || (proc == IPP_FWD_IN)) {
83 dlcosmk2dbg(("dlcosmk_process:cannot mark incoming packets\n"));
84 atomic_inc_64(&dlcosmk_data->ipackets);
85 return (0);
86 }
87
88 if ((ill_index == 0) ||
89 ((ill = ill_lookup_on_ifindex_global_instance(ill_index,
90 B_FALSE)) == NULL)) {
91 dlcosmk2dbg(("dlcosmk_process:invalid ill index %u\n",
92 ill_index));
93 atomic_inc_64(&dlcosmk_data->ipackets);
94 return (0);
95 }
96
97 /*
98 * Check if the interface supports CoS marking. If not send it to the
99 * next action in the chain
100 */
101 if (!(ill->ill_flags & ILLF_COS_ENABLED)) {
102 dlcosmk2dbg(("dlcosmk_process:ill %u does not support CoS\n",
103 ill_index));
104 atomic_inc_64(&dlcosmk_data->ipackets);
105 ill_refrele(ill);
106 return (0);
107 }
108 ill_refrele(ill);
109
110
111 /*
112 * Mark the b_band for fastpath messages or dl_priority.dl_max for
113 * DL_UNITDATA_REQ messages. For, others just pass it along.
114 */
115 switch (DB_TYPE(mp)) {
116 case M_PROTO:
117 case M_PCPROTO:
118 { /* DL_UNITDATA */
119 dl_unitdata_req_t *dlur;
120 dlur = (dl_unitdata_req_t *)mp->b_rptr;
121
122 /* DL_UNITDATA message?? */
123 if (dlur->dl_primitive == DL_UNITDATA_REQ) {
124 dlur->dl_priority.dl_max =
125 dlcosmk_data->dl_max;
126 } else {
127 atomic_inc_64(&dlcosmk_data->ipackets);
128 }
129 break;
130 }
131 case M_DATA:
132 /* fastpath message */
133 mp->b_band = dlcosmk_data->b_band;
134 break;
135 default:
136 atomic_inc_64(&dlcosmk_data->ipackets);
137 break;
138 }
139
140 return (0);
141 }
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