int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; struct sk_buff *nskb = llc_alloc_frame(); if (nskb) { u8 f_bit = 0; struct llc_opt *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; struct llc_pdu_sn *pdu = (struct llc_pdu_sn *)&llc->rx_pdu_hdr; nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); if (rc) goto free; llc_conn_send_pdu(sk, nskb); } out: return rc; free: kfree_skb(nskb); goto out; }
int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb) { u8 f_bit; int rc = -ENOBUFS; struct sk_buff *nskb; struct llc_sock *llc = llc_sk(sk); llc_pdu_decode_pf_bit(skb, &f_bit); nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, sizeof(struct llc_frmr_info)); if (nskb) { struct llc_sap *sap = llc->sap; struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } out: return rc; free: kfree_skb(nskb); goto out; }
int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb) { u8 f_bit; int rc = -ENOBUFS; struct sk_buff *nskb; struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); struct llc_opt *llc = llc_sk(sk); llc->rx_pdu_hdr = *((u32 *)pdu); if (LLC_PDU_IS_CMD(pdu)) llc_pdu_decode_pf_bit(skb, &f_bit); else f_bit = 0; nskb = llc_alloc_frame(); if (nskb) { struct llc_sap *sap = llc->sap; nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); if (rc) goto free; llc_conn_send_pdu(sk, nskb); } out: return rc; free: kfree_skb(nskb); goto out; }