This source file includes following definitions.
- dev_mc_upload
- dev_mc_delete
- dev_mc_add
- dev_mc_discard
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17 #include <asm/segment.h>
18 #include <asm/system.h>
19 #include <asm/bitops.h>
20 #include <linux/config.h>
21 #include <linux/types.h>
22 #include <linux/kernel.h>
23 #include <linux/sched.h>
24 #include <linux/string.h>
25 #include <linux/mm.h>
26 #include <linux/socket.h>
27 #include <linux/sockios.h>
28 #include <linux/in.h>
29 #include <linux/errno.h>
30 #include <linux/interrupt.h>
31 #include <linux/if_ether.h>
32 #include <linux/inet.h>
33 #include <linux/netdevice.h>
34 #include <linux/etherdevice.h>
35 #include "ip.h"
36 #include "route.h"
37 #include <linux/skbuff.h>
38 #include "sock.h"
39 #include "arp.h"
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57 void dev_mc_upload(struct device *dev)
58 {
59 struct dev_mc_list *dmi;
60 char *data;
61
62
63
64 if(dev->flags&IFF_PROMISC)
65 return;
66
67
68 if(dev->set_multicast_list==NULL)
69 return;
70 if(dev->mc_count==0)
71 {
72 dev->set_multicast_list(dev,0,NULL);
73 return;
74 }
75
76 data=kmalloc(dev->mc_count*dev->addr_len, GFP_KERNEL);
77 if(data==NULL)
78 {
79 printk("Unable to get memory to set multicast list on %s\n",dev->name);
80 return;
81 }
82 for(dmi=dev->mc_list;dmi!=NULL;dmi=dmi->next)
83 {
84 memcpy(data,dmi->dmi_addr, dmi->dmi_addrlen);
85 data+=dev->addr_len;
86 }
87 dev->set_multicast_list(dev,dev->mc_count,data);
88 kfree_s(data,dev->mc_count*dev->addr_len);
89 }
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94
95 void dev_mc_delete(struct device *dev, void *addr, int alen, int all)
96 {
97 struct dev_mc_list **dmi;
98 for(dmi=&dev->mc_list;*dmi!=NULL;dmi=&(*dmi)->next)
99 {
100 if(memcmp((*dmi)->dmi_addr,addr,(*dmi)->dmi_addrlen)==0 && alen==(*dmi)->dmi_addrlen)
101 {
102 struct dev_mc_list *tmp= *dmi;
103 if((*dmi)->dmi_users-- && !all)
104 return;
105 *dmi=(*dmi)->next;
106 dev->mc_count--;
107 kfree_s(tmp,sizeof(*tmp));
108 return;
109 }
110 }
111 dev_mc_upload(dev);
112 }
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117
118 void dev_mc_add(struct device *dev, void *addr, int alen, int newonly)
119 {
120 struct dev_mc_list *dmi;
121 for(dmi=dev->mc_list;dmi!=NULL;dmi=dmi->next)
122 {
123 if(memcmp(dmi->dmi_addr,addr,dmi->dmi_addrlen)==0 && dmi->dmi_addrlen==alen)
124 {
125 if(!newonly)
126 dmi->dmi_users++;
127 return;
128 }
129 }
130 dmi=(struct dev_mc_list *)kmalloc(sizeof(*dmi),GFP_KERNEL);
131 if(dmi==NULL)
132 return;
133 memcpy(dmi->dmi_addr, addr, alen);
134 dmi->dmi_addrlen=alen;
135 dmi->next=dev->mc_list;
136 dmi->dmi_users=1;
137 dev->mc_list=dmi;
138 dev->mc_count++;
139 dev_mc_upload(dev);
140 }
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145
146 void dev_mc_discard(struct device *dev)
147 {
148 while(dev->mc_list!=NULL)
149 {
150 struct dev_mc_list *tmp=dev->mc_list;
151 dev->mc_list=dev->mc_list->next;
152 kfree_s(tmp,sizeof(*tmp));
153 }
154 dev->mc_count=0;
155 }
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